user: Question: What nation started in lane 3 of heat 2?
Columns: ['Heat', 'Lane', 'Name', 'Nationality', 'Time']
Types: ['real', 'real', 'text', 'text', 'text']
Sample row: [3.0, 5.0, 'Diana Mocanu', 'Romania', '2:09.21']
SQL:

assistant: SELECT "Nationality" FROM "Table" WHERE "Heat" = 2.0 AND "Lane" = 3.0;