CREATE TABLE table_71987 ("Outcome" CLOB, "Date" CLOB, "Surface" CLOB, "Partner" CLOB, "Opponents" CLOB, "Score" CLOB)

What was Olga Govortsova's outcome when she played on a grass surface?
SELECT "Outcome" FROM table_71987 WHERE "Surface" = 'grass'
SELECT "Outcome" FROM "table_71987" WHERE "Surface" = 'grass'