Table schema:
CREATE TABLE table_name_33 (partner VARCHAR, score_in_the_final VARCHAR, date VARCHAR, outcome VARCHAR)

Question: Who is the partner on a date later than 1971 who is the runner-up with a score of 3–6, 3–6?
SQL: SELECT partner FROM table_name_33 WHERE date > 1971 AND outcome = "runner-up" AND score_in_the_final = "3–6, 3–6"