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:
| Year | Team | Chassis | Engine | Points |
| --- | --- | --- | --- | --- |
| 1985.0 | West Zakspeed Racing | Zakspeed 841 | Zakspeed 1500/4 1.5 L4T | 0.0 |
| 1986.0 | Osella Squadra Corse | Osella FA1F | Alfa Romeo 890T 1.5 V8T | 1.0 |
| 1986.0 | Barclay Arrows BMW | Arrows A8 | BMW M12/13 1.5 L4T | 1.0 |
| 1986.0 | Barclay Arrows BMW | Arrows A9 | BMW M12/13 1.5 L4T | 1.0 |
| 1987.0 | West Zakspeed Racing | Zakspeed 861 | Zakspeed 1500/4 1.5 L4T | 0.0 |
| 1987.0 | West Zakspeed Racing | Zakspeed 871 | Zakspeed 1500/4 1.5 L4T | 0.0 |
| 1989.0 | Rial Racing | Rial ARC2 | Ford Cosworth DFR (Mader) 3.5 V8 | 3.0 |
Question:
What year was a Rial Arc2 chassis used?
Answer:
1989.0