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 | Chassis | Engine | Tyres | Points |
| --- | --- | --- | --- | --- |
| 1989.0 | Reynard 89D | Mugen V8 | A | 17.0 |
| 1990.0 | Lola T90/50 | Mugen V8 | A | 0.0 |
| 1991.0 | Reynard 91D | Mugen V8 | A | 69.0 |
| 1992.0 | Reynard 92D | Mugen V8 | A | 24.0 |
| 1993.0 | Reynard 93D | Cosworth V8 | A | 29.0 |
| 1996.0 | Lola T96/50 | Zytek V8 | A | 9.0 |
| 1997.0 | Lola T96/50 | Zytek V8 | A | 8.0 |
Question:
What are the lowest points that have a Mugen V8 engine and a Reynard 91D chassis?
Answer:
69.0