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:
| Outcome | Date | Tournament | Surface | Partner | Opponents | Score |
| --- | --- | --- | --- | --- | --- | --- |
| Runner-up | July 30, 1989 | Schenectady , New York, USA | Hard | Sandra Birch | Michelle Jaggard Hu Na | 3–6, 2–6 |
| Winner | May 2, 1993 | Taranto , Italy | Clay | Brenda Schultz | Petra Langrová Mercedes Paz | 6–1, 6–4 |
| Runner-up | May 16, 1993 | Berlin , Germany | Clay | Brenda Schultz | Gigi Fernández Natalia Zvereva | 1–6, 3–6 |
| Winner | August 1, 1993 | San Juan, Puerto Rico | Hard | Ann Grossman | Gigi Fernández Rennae Stubbs | 5–7, 7–5, 7–5 |
| Runner-up | September 19, 1993 | Hong Kong | Hard | Marianne Werdel | Karin Kschwendt Rachel McQuillan | 6–1, 6–7, 2–6 |
| Runner-up | February 25, 1996 | Oklahoma City , Oklahoma, USA | Hard | Katrina Adams | Chanda Rubin Brenda Shultz | 4–6, 3–6 |
| Winner | May 12, 1996 | Budapest , Hungary | Clay | Katrina Adams | Radka Bobovka Eva Melicharová | 6–3, 7–6 |
| Winner | October 27, 1996 | Canadian Indoor , Canada | Carpet | Brenda Shultz | Amy Frazier Kimberly Po | 6–1, 6–4 |
| Winner | May 18, 1997 | Cardiff , Wales | Clay | Kerry-Anne Guse | Julie Pullin Lorna Woodroffe | 6–3, 6–4 |
Question:
Name the surface for february 25, 1996
Answer:
Hard