Table: radio_stations_4
Columns: frequency_in_kuala_lumpur_selangor_putrajaya_and_environs
station
operator
language
genre
coverage_area

Question: Which operators offer a genre of music?
SQL: SELECT "operator" FROM radio_stations_4 WHERE "genre" = 'music'

Question: Which languages are offered in the coverage area of klang petaling jaya shah alam?
SQL: SELECT "language" FROM radio_stations_4 WHERE "coverage_area" = 'Klang Petaling Jaya Shah Alam'