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 | Entrant | Chassis | Engine | Points |
| --- | --- | --- | --- | --- |
| 1989.0 | Equipe Larrousse | Lola LC89 | Lamborghini V12 | 0.0 |
| 1990.0 | Espo Larrousse F1 | Lola LC89B | Lamborghini V12 | 5.0 |
| 1990.0 | Espo Larrousse F1 | Lola 90 | Lamborghini V12 | 5.0 |
| 1991.0 | Larrousse F1 | Larrousse Lola 91 | Cosworth V8 | 1.0 |
| 1994.0 | Ligier Gitanes Blondes | Ligier JS39B | Renault V10 | 4.0 |
| 1994.0 | Team Lotus | Lotus 109 | Mugen Honda V10 | 4.0 |
Question:
Name the sum of points for 1991
Answer:
1.0