CREATE TABLE table_50316 ("Outcome" CLOB, "Date" FLOAT, "Championship" CLOB, "Surface" CLOB, "Opponent" CLOB, "Score" CLOB)

What is the Opponent of the game in 1989?
SELECT "Opponent" FROM table_50316 WHERE "Date" = '1989'
SELECT "Opponent" FROM "table_50316" WHERE "Date" = '1989'