CREATE TABLE table_70111 ("City of license" CLOB, "Identifier" CLOB, "Frequency" CLOB, "Power" CLOB, "Class" CLOB, "RECNet" CLOB)

Which class has an identifier of CBUA-FM?
SELECT "Class" FROM table_70111 WHERE "Identifier" = 'cbua-fm'
SELECT "Class" FROM "table_70111" WHERE "Identifier" = 'cbua-fm'