Below is an instruction that describes a task. Write a response that appropriately completes the request.

### Instruction:
What kind of chassis did a winning car with a Foyt engine have in 1979?

### Inputs:
table_name: table, columns: ['Season', 'Race Name', 'Winning Driver', 'Chassis', 'Engine', 'Tires', 'Team']

### Response:
SELECT Chassis FROM table WHERE Season = 1979 AND Engine = Foyt