user: Question: What is the largest number of laps with a Grid larger than 14, a Time/Retired of + 2 laps, and a Driver of Helmut Marko?
Columns: ['Driver', 'Constructor', 'Laps', 'Time/Retired', 'Grid']
Types: ['text', 'text', 'real', 'text', 'real']
Sample row: ['Jackie Stewart', 'Tyrrell - Ford', 95.0, '1:57:59.1', 2.0]
SQL:

assistant: SELECT MAX("Laps") FROM "Table" WHERE "Grid" > 14.0 AND "Time/Retired" = '+ 2 laps' AND "Driver" = 'Helmut Marko';