CREATE TABLE table_name_24 (date NUMBER, surface VARCHAR2, score VARCHAR2)

When was his first game on a clay surface where he scored 0 6, 3 6?
SELECT MIN(date) FROM table_name_24 WHERE surface = "clay" AND score = "0–6, 3–6"
SELECT MIN("date") FROM "table_name_24" WHERE "0–6, 3–6" = "score" AND "clay" = "surface"