user: Question: What was the circuit when Jochen Rindt won?
Columns: ['Race', 'Circuit', 'Date', 'Pole position', 'Fastest lap', 'Winning driver', 'Constructor', 'Tyre', 'Report']
Types: ['text', 'text', 'text', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['South African Grand Prix', 'Kyalami', '1 March', 'Jack Brabham', 'Jackie Stewart', 'Jackie Stewart', 'Matra - Ford', 'D', 'Report']
SQL:

assistant: SELECT "Circuit" FROM "Table" WHERE "Winning driver" = 'Jochen Rindt';