CREATE TABLE table_79683 ("Game" FLOAT, "Date" CLOB, "Opponent" CLOB, "Score" CLOB, "Record" CLOB)

What opponent played on 1/13/1974?
SELECT "Opponent" FROM table_79683 WHERE "Date" = '1/13/1974'
SELECT "Opponent" FROM "table_79683" WHERE "Date" = '1/13/1974'