user: Question: What is the time in a heat smaller than 5, in Lane 5, for Vietnam?
Columns: ['Heat', 'Lane', 'Name', 'Nationality', 'Time']
Types: ['real', 'real', 'text', 'text', 'text']
Sample row: [7.0, 4.0, 'Alexander Dale Oen', 'Norway', '59.41']
SQL:

assistant: SELECT "Time" FROM "Table" WHERE "Heat" < 5.0 AND "Lane" = 5.0 AND "Nationality" = 'Vietnam';