CREATE TABLE table_31927 ("Outcome" CLOB, "Date" CLOB, "Tournament" CLOB, "Surface" CLOB, "Partner" CLOB, "Opponent in the final" CLOB, "Score" CLOB)

What tournament was played on May 29, 2010?
SELECT "Tournament" FROM table_31927 WHERE "Date" = 'may 29, 2010'
SELECT "Tournament" FROM "table_31927" WHERE "Date" = 'may 29, 2010'