CREATE TABLE table_77184 ("Outcome" CLOB, "Date" CLOB, "Championship" CLOB, "Surface" CLOB, "Opponent" CLOB, "Score" CLOB)

who is the opponent on 18 january 1993?
SELECT "Opponent" FROM table_77184 WHERE "Date" = '18 january 1993'
SELECT "Opponent" FROM "table_77184" WHERE "Date" = '18 january 1993'