Table: radio_stations_7
Columns: station
frequency
network_affiliation
format
city_of_license
status

Question: What is the largest frequency owned by multicultural broadcasting with a Format of vietnamese?
SQL: SELECT MAX("frequency") FROM radio_stations_7 WHERE "status" = 'owned by multicultural broadcasting' AND "format" = 'vietnamese'

Question: Which format has a Station of klok?
SQL: SELECT "format" FROM radio_stations_7 WHERE "station" = 'klok'

Question: Which format has a Frequency larger than 1050, and a Station of kvto?
SQL: SELECT "format" FROM radio_stations_7 WHERE "frequency" > 1050 AND "station" = 'kvto'

Question: What is the total frequency have a Status of owned by cumulus media, and a Format of news?
SQL: SELECT SUM("frequency") FROM radio_stations_7 WHERE "status" = 'owned by cumulus media' AND "format" = 'news'

Question: Which format has a Station of kcbs?
SQL: SELECT "format" FROM radio_stations_7 WHERE "station" = 'kcbs'