CREATE TABLE table_41556 ("City of license" CLOB, "Identifier" CLOB, "Frequency" CLOB, "Power" CLOB, "Class" CLOB, "RECNet" CLOB)

What is the identifier that has 50,000 watts of power?
SELECT "Identifier" FROM table_41556 WHERE "Power" = '50,000 watts'
SELECT "Identifier" FROM "table_41556" WHERE "Power" = '50,000 watts'