user: ### NOW ANSWER:
Question: What rank is from japan, has a lane smaller than 7 and a heat smaller than 3?
Columns: ['Rank', 'Heat', 'Lane', 'Name', 'Nationality', 'Time']
Types: ['real', 'real', 'real', 'text', 'text', 'text']
Sample row: [1.0, 1.0, 2.0, 'Ingrid Lempereur Category:Articles with hCards', 'Belgium', '2:32.46']
SQL:

assistant: SELECT SUM("Rank") FROM "Table" WHERE "Nationality" = 'japan' AND "Lane" < 7.0 AND "Heat" < 3.0;