Table: radio_stations_qld
Columns: callsign
frequency
band
on_air_id
purpose

Question: What is 4zr's callsign?
SQL: SELECT "callsign" FROM radio_stations_qld WHERE "on_air_id" = '4zr'

Question: What is the On-air ID of the broadcaster at frequency 0 801?
SQL: SELECT "on_air_id" FROM radio_stations_qld WHERE "frequency" = '0 801'

Question: 4tab of commercial broadcaster Radio Tab broadcasts at what frequency?
SQL: SELECT "frequency" FROM radio_stations_qld WHERE "purpose" = 'commercial' AND "on_air_id" = 'radio tab' AND "callsign" = '4tab'

Question: What band does 4cca use?
SQL: SELECT "band" FROM radio_stations_qld WHERE "callsign" = '4cca'

Question: What is the On-air ID of FM broadcaster 4nsa?
SQL: SELECT "on_air_id" FROM radio_stations_qld WHERE "band" = 'fm' AND "callsign" = '4nsa'

Question: The community station broadcasting at frequency 0 96.9 is in what band?
SQL: SELECT "band" FROM radio_stations_qld WHERE "purpose" = 'community' AND "frequency" = '0 96.9'