user: Question: What was the time in part 3 when Nick Heidfeld was the driver?
Columns: ['Pos', 'No', 'Driver', 'Constructor', 'Part 1', 'Part 2', 'Part 3', 'Grid']
Types: ['text', 'text', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['01 1', '15', 'Sebastian Vettel', 'Red Bull - Renault', '1:30.883', '1:30.341', '1:32.160', '01 1']
SQL:

assistant: SELECT "Part 3" FROM "Table" WHERE "Driver" = 'Nick Heidfeld';