Table: tv_station_data
Columns: channel
channel_name
callsign
signal_power
broadcast_area

Question: What is the broadcast are for channel 1?
SQL: SELECT "broadcast_area" FROM tv_station_data WHERE "channel" = 1

Question: What is the call sign for channel 6?
SQL: SELECT "callsign" FROM tv_station_data WHERE "channel" = 6

Question: What is the channel number for TBS?
SQL: SELECT MIN("channel") FROM tv_station_data WHERE "channel_name" = 'TBS'

Question: How many channels are there in the Greater Tokyo area?
SQL: SELECT COUNT("channel") FROM tv_station_data WHERE "broadcast_area" = 'Greater Tokyo'

Question: What is the signal power for JOAB-DTV?
SQL: SELECT "signal_power" FROM tv_station_data WHERE "callsign" = 'JOAB-DTV'