user: Question: Who constructed Gerhard Berger car that went All rounds?
Columns: ['Entrant', 'Constructor', 'Chassis', 'Tyre', 'Driver', 'Rounds']
Types: ['text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['Rothmans Williams Renault', 'Williams - Renault', 'FW16 FW16B', 'G', 'Damon Hill', 'All']
SQL:

assistant: SELECT "Constructor" FROM "Table" WHERE "Rounds" = 'All' AND "Driver" = 'Gerhard Berger';