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 | Category | Champion | Runner-up | Score |
| --- | --- | --- | --- | --- |
| 1991.0 | V | Sandra Cecchini | Magdalena Maleeva | 6-4, 3-6, 7-5 |
| 1995.0 | III | Sabine Appelmans | Silke Meier | 6-4, 6-3 |
| 1996.0 | IV | Gloria Pizzichini | Silvija Talaja | 6-0, 6-2 |
| 1997.0 | IV | Mirjana Lučić | Corina Morariu | 7-5, 6-7, 7-6 |
| 1998.0 | IVa | Mirjana Lučić | Corina Morariu | 6-2, 6-4 |
| 1999.0 | IV | Corina Morariu | Julie Halard | 6-2, 6-0 |
| 2000.0 | III | Tina Pisnik | Amélie Mauresmo | 7-6, 7-6 |
| 2001.0 | III | Ángeles Montolio | Mariana Díaz-Oliva | 3-6, 6-2, 6-4 |
| 2002.0 | III | Åsa Svensson | Iva Majoli | 6-3, 4-6, 6-1 |
| 2003.0 | III | Vera Zvonareva | Conchita Martínez G. | 6-1, 6-3 |
Question:
Which category had a year of 1991?
Answer:
V