CREATE TABLE table_7296 ("Date" TEXT, "Time" TEXT, "Score" TEXT, "Set 1" TEXT, "Set 2" TEXT, "Set 3" TEXT, "Total" TEXT, "Report" TEXT)

What is the Time when the Set 2 is 25 21, on 29 may?
SELECT "Time" FROM table_7296 WHERE "Set 2" = '25–21' AND "Date" = '29 may'
SELECT "Time" FROM "table_7296" WHERE "Date" = '29 may' AND "Set 2" = '25–21'