Table: nta_affiliates
Columns: city
state_or_territory
station_call_sign
network
channel_number
programs_aired

Question: Which network was located in Illinois?
SQL: SELECT "network" FROM nta_affiliates WHERE "state_or_territory" = 'Illinois'

Question: What is the highest channel number?
SQL: SELECT MAX("channel_number") FROM nta_affiliates

Question: Which state or territory had a channel number of exactly 7?
SQL: SELECT "state_or_territory" FROM nta_affiliates WHERE "channel_number" = 7