CREATE TABLE table_name_49 (date VARCHAR, opponent_in_the_final VARCHAR, score_in_the_final VARCHAR)

What was the date when Steffi Graf was the opponent in the final and the score was 2 6, 0 6?
SELECT date FROM table_name_49 WHERE opponent_in_the_final = "steffi graf" AND score_in_the_final = "2–6, 0–6"
SELECT "date" FROM "table_name_49" WHERE "2–6, 0–6" = "score_in_the_final" AND "opponent_in_the_final" = "steffi graf"