CREATE TABLE table_62290 ("Outcome" CLOB, "Date" CLOB, "Surface" CLOB, "Partner" CLOB, "Opponents" CLOB, "Score" CLOB)

What was the surface when the opponent was sergiy stakhovsky mikhail youzhny?
SELECT "Surface" FROM table_62290 WHERE "Opponents" = 'sergiy stakhovsky mikhail youzhny'
SELECT "Surface" FROM "table_62290" WHERE "Opponents" = 'sergiy stakhovsky mikhail youzhny'