user: ### NOW ANSWER:
Question: When a lane of 4 has a QUART greater than 44.62, what is the lowest HEAT?
Columns: ['ATHLETE', 'FINAL', 'LANE', 'SEMI', 'QUART', 'HEAT']
Types: ['text', 'text', 'real', 'real', 'real', 'real']
Sample row: ['Michael Johnson ( USA )', '43.49', 4.0, 44.59, 44.62, 45.8]
SQL:

assistant: SELECT MIN("HEAT") FROM "Table" WHERE "LANE" = 4.0 AND "QUART" > 44.62;