E: 30/04 win a Worcester Bosch Greenstar boiler (Help please)

D_M_E

https://www.worcester-bosch.co.uk/rely-on-worcester#enter-the-competition

I've got no sound and the video keeps freezing so can't see the answer.

Competition
Answer a question about our latest TV advert for your chance to win a Greenstar boiler, Greenstar system filter and an internet connected Wave control, fully fitted with a minimum 7 year guarantee. You can watch our advert below.

sleepyjones

7

They don't actually mention it all, but if you pause the video at around 57 seconds they have 7 Which logo's at the bottom.

missprice

Agreed answer is 7

Rules

The competition is open to all UK residents aged 18 and over (except employees and families of the Promoter and its affiliate companies, agencies and anyone professionally connected with the promotion).
The competition is open from Monday 03 April 2017 to 23:59 Sunday 30 April 2017.
One winner will be chosen from all entries received on the webpage.
The winner will receive a Worcester Bosch Greenstar boiler, installation by a Gas Safe Registered Worcester Accredited Installer and a Wave smart control (the Wave can be substituted for an alternative controller if the chosen boiler isn’t compatible with a Wave).
To enter, users must visit https://www.worcester-bosch.co.uk/rely-on-worcester and submit their details, and answer the question "Can you tell us the number of Which? Best Buy’s shown in our advert?", for the chance to win.
The winner will be informed of their prize by Sunday 14 May 2017.
There is a maximum of one entry per individual. In the event of multiple entries being received from the same person or account, only the first entry will be accepted.
The winner will be chosen at random from all correct entries received.
Once a winner has been notified that they have won, they will have 48 hours to claim their prize. After this time, the Promoter reserves the right to pass on the prize to a new winner.
Full details of the prize will be supplied to the winner following notification. In the event of the original prize being unavailable, The Promoter reserves the right the offer an alternative prize of equivalent value.
The prize is non-transferable, non-refundable and cannot be exchanged for any cash alternatives in whole or in part.
TheThe competition is open to all UK residents aged 18 and over (except employees and families of the Promoter and its affiliate companies, agencies and anyone professionally connected with the promotion).
The competition is open from Monday 03 April 2017 to 23:59 Sunday 30 April 2017.
One winner will be chosen from all entries received on the webpage.
The winner will receive a Worcester Bosch Greenstar boiler, installation by a Gas Safe Registered Worcester Accredited Installer and a Wave smart control (the Wave can be substituted for an alternative controller if the chosen boiler isn’t compatible with a Wave).
To enter, users must visit https://www.worcester-bosch.co.uk/rely-on-worcester and submit their details, and answer the question "Can you tell us the number of Which? Best Buy’s shown in our advert?", for the chance to win.
The winner will be informed of their prize by Sunday 14 May 2017.
There is a maximum of one entry per individual. In the event of multiple entries being received from the same person or account, only the first entry will be accepted.
The winner will be chosen at random from all correct entries received.
Once a winner has been notified that they have won, they will have 48 hours to claim their prize. After this time, the Promoter reserves the right to pass on the prize to a new winner.
Full details of the prize will be supplied to the winner following notification. In the event of the original prize being unavailable, The Promoter reserves the right the offer an alternative prize of equivalent value.
The prize is non-transferable, non-refundable and cannot be exchanged for any cash alternatives in whole or in part.
The winner will receive their prize by Monday 31 July 2017.