user: Question: What is the rank of the athletes that have Notes of FB, and a Time of 6:47.30?
Columns: ['Rank', 'Athlete', 'Country', 'Time', 'Notes']
Types: ['real', 'text', 'text', 'text', 'text']
Sample row: [1.0, 'Drew Ginn , Duncan Free', 'Australia', '6:34.29', 'FA']
SQL:

assistant: SELECT "Rank" FROM "Table" WHERE "Notes" = 'FB' AND "Time" = '6:47.30';