CREATE TABLE table_37920 ("Date" TEXT, "Score" TEXT, "Set 1" TEXT, "Set 2" TEXT, "Set 3" TEXT, "Total" TEXT)

Which Set 2 has a Set 1 of 25 15, and a Score of 3 0?
SELECT "Set 2" FROM table_37920 WHERE "Set 1" = '25–15' AND "Score" = '3–0'
SELECT "Set 2" FROM "table_37920" WHERE "Score" = '3–0' AND "Set 1" = '25–15'