user: Question: What is the # for the episode with viewing figures of 7.02 million ?
Columns: ['#', 'Episode', 'Writer', 'Director', 'Original air date', 'Viewing figure']
Types: ['real', 'text', 'text', 'text', 'text', 'text']
Sample row: [35.0, '"Episode 1"', 'Bill Gallagher', 'Sue Tully', '9January2011', '7.68 million']
SQL:

assistant: SELECT "#" FROM "Table" WHERE "Viewing figure" = '7.02 million';