user: Question: What is the largest laps for Time/Retired of + 2 Laps, and a Grid of 13?
Columns: ['Driver', 'Constructor', 'Laps', 'Time/Retired', 'Grid']
Types: ['text', 'text', 'real', 'text', 'real']
Sample row: ['Nigel Mansell', 'Williams - Honda', 65.0, '1:19:11.780', 2.0]
SQL:

assistant: SELECT MAX("Laps") FROM "Table" WHERE "Time/Retired" = '+ 2 Laps' AND "Grid" = 13.0;