Table schema:
CREATE TABLE table_name_48 (opponent_in_the_final VARCHAR, score VARCHAR, date VARCHAR, partnering VARCHAR)

Question: Who was the opponent before 1990 that had a score of 4–6, 6–3, 6–4 and Partnering of Yannick Noah?
SQL: SELECT opponent_in_the_final FROM table_name_48 WHERE date < 1990 AND partnering = "yannick noah" AND score = "4–6, 6–3, 6–4"