What tournament was played on May 29, 2010?
CREATE TABLE "doubles_8_10" (
  "outcome" text,
  "date" text,
  "tournament" text,
  "surface" text,
  "partner" text,
  "opponent_in_the_final" text,
  "score" text
);
SELECT "tournament" FROM "doubles_8_10" WHERE "date"='may 29, 2010';