user: Question: What was the number of viewers in millions for the broadcast from 2010? 
Columns: ['Episode', 'Broadcast Date', 'BBC One Presenter(s)', 'Starring', 'Radio 1 Presenter', 'Viewers (millions)']
Types: ['real', 'real', 'text', 'text', 'text', 'text']
Sample row: [1.0, 2005.0, 'Clare Balding', 'Doug Segal', 'N/A', '6.43']
SQL:

assistant: SELECT "Viewers (millions)" FROM "Table" WHERE "Broadcast Date" = 2010.0;