CREATE TABLE table_50162 ("Format" CLOB, "Country" CLOB, "Label" CLOB, "Catalogue No." CLOB, "Date" CLOB)

What Country with a MC Format has a ATCO Records Label?
SELECT "Country" FROM table_50162 WHERE "Label" = 'atco records' AND "Format" = 'mc'
SELECT "Country" FROM "table_50162" WHERE "Format" = 'mc' AND "Label" = 'atco records'