user: ### NOW ANSWER:
Question: When jean alesi had laps less than 24, what was his highest grid?
Columns: ['Driver', 'Constructor', 'Laps', 'Time/Retired', 'Grid']
Types: ['text', 'text', 'real', 'text', 'real']
Sample row: ['Heinz-Harald Frentzen', 'Jordan - Mugen-Honda', 72.0, '1:58:24.343', 5.0]
SQL:

assistant: SELECT MAX("Grid") FROM "Table" WHERE "Driver" = 'jean alesi' AND "Laps" < 24.0;