user: Question: What lane number was hungary and had a heat of 4?
Columns: ['Heat', 'Lane', 'Name', 'Nationality', 'Time']
Types: ['real', 'real', 'text', 'text', 'text']
Sample row: [8.0, 2.0, 'Dominik Meichtry', 'Switzerland', '1:45.80']
SQL:

assistant: SELECT "Lane" FROM "Table" WHERE "Heat" = 4.0 AND "Nationality" = 'hungary';