CREATE TABLE table_37115 ("Outcome" CLOB, "Date" CLOB, "Tournament" CLOB, "Surface" CLOB, "Opponent" CLOB, "Score" CLOB)

What outcome has yvonne vermaak as the opponent?
SELECT "Outcome" FROM table_37115 WHERE "Opponent" = 'yvonne vermaak'
SELECT "Outcome" FROM "table_37115" WHERE "Opponent" = 'yvonne vermaak'