user: Question: Tell me the overall rank for heat rank of 8
Columns: ['Heat Rank', 'Lane', 'Swimmer', 'Country', 'Time', 'Overall Rank']
Types: ['real', 'real', 'text', 'text', 'real', 'text']
Sample row: [1.0, 2.0, 'Gordon Touw Ngie Tjouw', 'Suriname', 24.9, '49']
SQL:

assistant: SELECT "Overall Rank" FROM "Table" WHERE "Heat Rank" = 8.0;