Who is the partner on a date later than 1971 who is the runner-up with a score of 3–6, 3–6?
CREATE TABLE "doubles_titles_8" (
  "outcome" text,
  "date" real,
  "tournament" text,
  "surface" text,
  "partner" text,
  "opponents_in_the_final" text,
  "score_in_the_final" text
);
SELECT "partner" FROM "doubles_titles_8" WHERE "date">1971 AND "outcome"='runner-up' AND "score_in_the_final"='3–6, 3–6';