CREATE TABLE table_name_48 (opponent_in_the_final VARCHAR, outcome VARCHAR, date VARCHAR)

Who is the Opponent in the final after 1983 with an Outcome of runner-up?
SELECT opponent_in_the_final FROM table_name_48 WHERE outcome = "runner-up" AND date > 1983
SELECT "opponent_in_the_final" FROM "table_name_48" WHERE "date" > 1983 AND "outcome" = "runner-up"