user: ### NOW ANSWER:
Question: Which Heat has a Rank of 8?
Columns: ['Rank', 'Heat', 'Lane', 'Nationality', 'Time']
Types: ['real', 'real', 'real', 'text', 'text']
Sample row: [1.0, 2.0, 4.0, 'United States', '7:04.66']
SQL:

assistant: SELECT MAX("Heat") FROM "Table" WHERE "Rank" = 8.0;