user: ### NOW ANSWER:
Question: Which vehicle has a Grid of 13?
Columns: ['Driver', 'Constructor', 'Laps', 'Time/Retired', 'Grid']
Types: ['text', 'text', 'real', 'text', 'real']
Sample row: ['Jack Brabham', 'Brabham - Repco', 80.0, '2:13:21.3', 2.0]
SQL:

assistant: SELECT "Constructor" FROM "Table" WHERE "Grid" = 13.0;