CREATE TABLE table_12316 ("Date" CLOB, "Score" CLOB, "Set 1" CLOB, "Set 2" CLOB, "Total" CLOB)

What Set 2 has a set one at 19:21?
SELECT "Set 2" FROM table_12316 WHERE "Set 1" = '19:21'
SELECT "Set 2" FROM "table_12316" WHERE "Set 1" = '19:21'