CREATE TABLE table_1272 ("School" TEXT, "Nickname" TEXT, "Colors" TEXT, "League" TEXT, "Class" TEXT, "Division" TEXT)

What league does the team with the nickname Cavaliers belong to
SELECT "League" FROM table_1272 WHERE "Nickname" = 'Cavaliers'
SELECT "League" FROM "table_1272" WHERE "Nickname" = 'Cavaliers'