Give you a statement and table with its title in Markdown format, please determine whether the statement is supported or refuted by, or is unrelated to the table. It'a binary classification problem, you should choose the answer between supported and refuted. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| outcome | year | championship | surface | partner | opponents | score |
| winner | 1981 | wimbledon | grass | martina navrátilová | kathy jordan anne smith | 6 - 3 , 7 - 6 (6) |
| runner - up | 1981 | australian open | grass | martina navrátilová | kathy jordan anne smith | 6 - 2 , 7 - 5 |
| winner | 1982 | wimbledon | grass | martina navratilova | kathy jordan anne smith | 6 - 4 , 6 - 1 |
| winner | 1982 | australian open | grass | martina navratilova | claudia kohde - kilsch eva pfaff | 6 - 4 , 6 - 2 |
| winner | 1983 | wimbledon | grass | martina navratilova | rosemary casals wendy turnbull | 6 - 2 , 6 - 2 |
| winner | 1983 | us open | hard | martina navratilova | rosalyn fairbank candy reynolds | 6 - 7 (4) , 6 - 1 , 6 - 3 |
| winner | 1983 | australian open | grass | martina navratilova | anne hobbs wendy turnbull | 6 - 4 , 6 - 7 , 6 - 2 |
| winner | 1984 | french open | clay | martina navratilova | claudia kohde - kilsch hana mandlíková | 5 - 7 , 6 - 3 , 6 - 2 |
| winner | 1984 | wimbledon | grass | martina navratilova | kathy jordan anne smith | 6 - 3 , 6 - 4 |
| winner | 1984 | us open | hard | martina navratilova | anne hobbs wendy turnball | 6 - 2 , 6 - 4 |
| winner | 1984 | australian open | grass | martina navratilova | claudia kohde - kilsch helena suková | 6 - 3 , 6 - 4 |
| winner | 1985 | french open | clay | martina navratilova | claudia kohde - kilsch eva pfaff | 4 - 6 , 6 - 2 , 6 - 2 |
| runner - up | 1985 | wimbledon | grass | martina navratilova | kathy jordan elizabeth smylie | 5 - 7 , 6 - 3 , 6 - 4 |
| runner - up | 1985 | us open | hard | martina navratilova | claudia kohde - kilsch helena suková | 6 - 7 (5) , 6 - 2 , 6 - 3 |
| winner | 1985 | australian open | grass | martina navratilova | claudia kohde - kilsch helena suková | 6 - 3 , 6 - 4 |
| winner | 1986 | wimbledon | grass | martina navratilova | hana mandlíková wendy turnbull | 6 - 1 , 6 - 3 |
| winner | 1986 | us open | hard | martina navratilova | hana mandlíková wendy turnbull | 5 - 7 , 6 - 3 , 6 - 2 |
| winner | 1987 | australian open | grass | martina navratilova | zina garrison lori mcneil | 6 - 1 , 6 - 0 |
| winner | 1987 | french open | clay | martina navratilova | steffi graf gabriela sabatini | 6 - 2 , 6 - 1 |
| winner | 1987 | us open | hard | martina navratilova | kathy jordan elizabeth smylie | 5 - 7 , 6 - 4 , 6 - 2 |
| winner | 1988 | australian open | hard | martina navratilova | chris evert wendy turnball | 6 - 0 , 7 - 5 |
| winner | 1988 | french open | clay | martina navratilova | claudia kohde - kilsch helena suková | 6 - 2 , 7 - 5 |
| winner | 1989 | australian open | hard | martina navratilova | patty fendick jill hetherington | 3 - 6 , 6 - 3 , 6 - 2 |
| runner - up | 1989 | us open | hard | mary joe fernandez | hana mandlíková martina navratilova | 5 - 7 , 6 - 4 , 6 - 4 |
| winner | 1991 | us open | hard | natasha zvereva | jana novotná larisa savchenko | 6 - 4 , 4 - 6 , 7 - 6 (5) |
Title:
pam shriver
Statement:
a grass surface was used 48% of the time
Answer:
supported