user: Question: Who is the Constructor for driver Piercarlo Ghinzani and a Ford Cosworth DFV 3.0 V8 engine?
Columns: ['Entrant', 'Constructor', 'Chassis', 'Engine', 'Tyres', 'Driver', 'Rounds']
Types: ['text', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['TAG Williams Racing Team', 'Williams - Ford', 'FW08C', 'Ford Cosworth DFV 3.0 V8', 'G', 'Keke Rosberg', '1-14']
SQL:

assistant: SELECT "Constructor" FROM "Table" WHERE "Driver" = 'Piercarlo Ghinzani' AND "Engine" = 'Ford Cosworth DFV 3.0 V8';