Table: tv_stations_cairns
Columns: region_served
city
channels_analog_digital
first_air_date
erp_analog_digital
haat_analog_digital_1
transmitter_location

Question: What is the ERP for the Rockhampton region?
SQL: SELECT "erp_analog_digital" FROM tv_stations_cairns WHERE "region_served" = 'rockhampton'

Question: What channels first aired on 31 December 1990 in the Southern Downs region?
SQL: SELECT "channels_analog_digital" FROM tv_stations_cairns WHERE "first_air_date" = '31 december 1990' AND "region_served" = 'southern downs'

Question: What is the transmitter location for city of Maryborough?
SQL: SELECT "transmitter_location" FROM tv_stations_cairns WHERE "city" = 'maryborough'

Question: What is the ERP for the Mount Goonaneman transmitter?
SQL: SELECT "erp_analog_digital" FROM tv_stations_cairns WHERE "transmitter_location" = 'mount goonaneman'