user: Question: What type of surface did the tournament Canada F9, Markham have?
Columns: ['Outcome', 'Date', 'Tournament', 'Surface', 'Opponent', 'Score']
Types: ['text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['Winner', 'January 14, 2007', 'El Salvador F1, Santa Tecla', 'Clay', 'Jan Stancik', '5–7, 6–1, 6–2']
SQL:

assistant: SELECT "Surface" FROM "Table" WHERE "Tournament" = 'Canada F9, Markham';