Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| Season | Date | Location | Driver | Chassis | Engine | Team |
| --- | --- | --- | --- | --- | --- | --- |
| 1987.0 | October 31 | Tamiami Park | Bobby Rahal | Lola | Cosworth | Truesports |
| 1988.0 | November 5 | Tamiami Park | Michael Andretti | Lola | Cosworth | Kraco Racing |
| 1989.0 | October 14 | Laguna Seca | Al Unser, Jr. | Lola | Chevrolet | Galles Racing |
| 1990.0 | October 6 | Nazareth | Rick Mears | Penske | Chevrolet | Penske Racing |
| 1991.0 | October 19 | Laguna Seca | Michael Andretti | Lola | Chevrolet | Newman/Haas Racing |
Question:
What engine does Galles Racing use?
Answer:
Chevrolet