CREATE TABLE table_52328 ("Date" CLOB, "Time" CLOB, "Score" CLOB, "Set 1" CLOB, "Set 2" CLOB, "Set 3" CLOB, "Total" CLOB, "Report" CLOB)

What was the first set with a third set of 25 21?
SELECT "Set 1" FROM table_52328 WHERE "Set 3" = '25–21'
SELECT "Set 1" FROM "table_52328" WHERE "Set 3" = '25–21'