CREATE TABLE table_70115 ("City of license" TEXT, "Identifier" TEXT, "Frequency" TEXT, "Power" TEXT, "Class" TEXT, "RECNet" TEXT)

What is the class when the frequency is 560 AM?
SELECT "Class" FROM table_70115 WHERE "Frequency" = '560 am'
SELECT "Class" FROM "table_70115" WHERE "Frequency" = '560 am'