Table: tv_affiliates
Columns: city_of_license_market
station
channel_tv_dt
year_of_affiliation
owned_since

Question: The station located in Albuquerque has been owned since what year?
SQL: SELECT "owned_since" FROM tv_affiliates WHERE "city_of_license_market" = 'Albuquerque'

Question: What channels have stations that were affiliated in 2002?
SQL: SELECT "channel_tv_dt" FROM tv_affiliates WHERE "year_of_affiliation" = '2002'

Question: What market is KTFK-DT in?
SQL: SELECT "city_of_license_market" FROM tv_affiliates WHERE "station" = 'KTFK-DT'