user: Question: On what Surface was the game with Partner David Martin played Scoring 4–6, 6–7 (4-7)?
Columns: ['Outcome', 'Date', 'Surface', 'Partner', 'Opponent in the Final', 'Score']
Types: ['text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['Winner', 'February 18, 2008', 'Hard (i)', 'David Martin', 'Bob Bryan Mike Bryan', '6–3, 3–6, [10–7]']
SQL:

assistant: SELECT "Surface" FROM "Table" WHERE "Partner" = 'David Martin' AND "Score" = '4–6, 6–7 (4-7)';