Table: radio_stations_58
Columns: frequency_khz
call_letters
licensed_location
type
format

Question: What is the smallest frequency (kHz) that is in the location of Longview?
SQL: SELECT MIN("frequency_khz") FROM radio_stations_58 WHERE "licensed_location" = 'longview'

Question: What is the location with a frequency (kHz) greater than 1370?
SQL: SELECT "licensed_location" FROM radio_stations_58 WHERE "frequency_khz" > 1370