CREATE TABLE table_45552 ("Date" TEXT, "Tournament" TEXT, "Surface" TEXT, "Partner" TEXT, "Opponents in Final" TEXT, "Score in Final" TEXT)

What is the Date of the match with Partner Steffi Graf with a Score in Final of 4 6, 1 6?
SELECT "Date" FROM table_45552 WHERE "Score in Final" = '4–6, 1–6' AND "Partner" = 'steffi graf'
SELECT "Date" FROM "table_45552" WHERE "Partner" = 'steffi graf' AND "Score in Final" = '4–6, 1–6'