user: Question: What company was the entrant for the race with Jack Fairman as the driver with a chassis of T45?
Columns: ['Entrant', 'Constructor', 'Chassis', 'Engine', 'Tyre', 'Driver', 'Rounds']
Types: ['text', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['Porsche System Engineering', 'Porsche', '787 718/2', 'Porsche 547/6 1.5 F4', 'D', 'Jo Bonnier', 'All']
SQL:

assistant: SELECT "Entrant" FROM "Table" WHERE "Driver" = 'Jack Fairman' AND "Chassis" = 'T45';