user: Question: What was the surface on March 2, 1997?
Columns: ['Edition', 'Round', 'Date', 'Partner', 'Surface', 'Opponents', 'Result']
Types: ['text', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['1988 World Group I', 'R1', 'December 5, 1988', 'Galia Angelova', 'Hard', 'Jonna Jonerup Maria Lindström', '6–2, 6–7 (5–7) , 1–6']
SQL:

assistant: SELECT "Surface" FROM "Table" WHERE "Date" = 'March 2, 1997';