Question: Where was the tournament that happened in 1987 on a Clay surface?
SQL: SELECT "Tournament" FROM "2-1723582-9" WHERE "Date" = 1987.0 AND "Surface" = 'Clay';

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 "2-1723582-9" WHERE "Date" < 1990.0 AND "Partnering" = 'Yannick Noah' AND "Score" = '4–6, 6–3, 6–4';