CREATE TABLE table_48520 ("Outcome" CLOB, "Date" CLOB, "Tournament" CLOB, "Surface" CLOB, "Opponent" CLOB, "Score" CLOB)

What type of surface did the tournament canada f9, markham have?
SELECT "Surface" FROM table_48520 WHERE "Tournament" = 'canada f9, markham'
SELECT "Surface" FROM "table_48520" WHERE "Tournament" = 'canada f9, markham'