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 | Stage | Start of stage | Distance (km) | Category of climb | Stage winner | Yellow jersey |
| --- | --- | --- | --- | --- | --- | --- |
| 1989.0 | 10.0 | Cauterets | 136 | 1 | Robert Millar | Laurent Fignon |
| 1986.0 | 13.0 | Pau | 186 | HC | Greg LeMond | Bernard Hinault |
| 1979.0 | 2.0 | Bagnères-de-Luchon | 23,87 ( ITT ) | 1 | Bernard Hinault | Bernard Hinault |
| 1971.0 | 15.0 | Bagnères-de-Luchon | 19.6 | 1 | José-Manuel Fuente | Eddy Merckx |
| 1962.0 | 13.0 | Bagnères-de-Luchon | 18.25 ( ITT ) | 1 | Federico Bahamontes | Joseph Planckaert |
| 1961.0 | 16.0 | Toulouse | 208 | 1 | Imerio Massignan | Jacques Anquetil |
Question:
What year was yellow jersey of Jacques Anquetil?
Answer:
1961.0