user: Question: What car had the fewest laps with a qual of 138.750?
Columns: ['Year', 'Start', 'Qual', 'Rank', 'Finish', 'Laps']
Types: ['text', 'text', 'text', 'text', 'text', 'real']
Sample row: ['1952', '20', '134.288', '26', '5', 200.0]
SQL:

assistant: SELECT MIN("Laps") FROM "Table" WHERE "Qual" = '138.750';