user: Question: What were the highest laps for Glenn Seton Gregg Hansford?
Columns: ['Pos.', 'Class', 'Entrant', 'Drivers', 'Laps']
Types: ['text', 'text', 'text', 'text', 'real']
Sample row: ['1', 'A', 'GIO Racing', 'Mark Gibbs Rohan Onslow', 161.0]
SQL:

assistant: SELECT MAX("Laps") FROM "Table" WHERE "Drivers" = 'Glenn Seton Gregg Hansford';