CREATE TABLE table_204_373 (id NUMBER, "wager" CLOB, "winner" CLOB, "loser" CLOB, "location" CLOB, "date" CLOB)

only opponent to defeat mocho cota in 1994
SELECT "winner" FROM table_204_373 WHERE "loser" = 'mocho cota' AND "date" = 1994
SELECT "winner" FROM "table_204_373" WHERE "date" = 1994 AND "loser" = 'mocho cota'