user: ### NOW ANSWER:
Question: What's the average number of Laps, that had a start of 25, with a Qual of 138.063?
Columns: ['Year', 'Start', 'Qual', 'Rank', 'Finish', 'Laps']
Types: ['text', 'text', 'text', 'text', 'text', 'real']
Sample row: ['1955', '25', '138.063', '25', '12', 196.0]
SQL:

assistant: SELECT AVG("Laps") FROM "Table" WHERE "Start" = '25' AND "Qual" = '138.063';