user: Question: Who built the 21 grid car that retired due to Suspension?
Columns: ['Driver', 'Constructor', 'Laps', 'Time/Retired', 'Grid']
Types: ['text', 'text', 'real', 'text', 'real']
Sample row: ['Nelson Piquet', 'Williams - Honda', 76.0, '2:00:34.508', 2.0]
SQL:

assistant: SELECT "Constructor" FROM "Table" WHERE "Grid" > 21.0 AND "Time/Retired" = 'Suspension';