CREATE TABLE table_50586 ("Outcome" TEXT, "Year" FLOAT, "Championship" TEXT, "Surface" TEXT, "Opponent" TEXT, "Score" TEXT)

who is the opponent when the year is after 1996 and the outcome is winner?
SELECT "Opponent" FROM table_50586 WHERE "Year" > '1996' AND "Outcome" = 'winner'
SELECT "Opponent" FROM "table_50586" WHERE "Outcome" = 'winner' AND "Year" > '1996'