user: ### NOW ANSWER:
Question: The station located in Albuquerque has been owned since what year?
Columns: ['City of license/Market', 'Station', 'Channel TV ( DT )', 'Year of affiliation', 'Owned since']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['Douglas, Arizona', 'KFTU-CD (repeater of KFTU-DT)', '18 (N/A)', 'N/A', 'N/A']
SQL:

assistant: SELECT "Owned since" FROM "Table" WHERE "City of license/Market" = 'Albuquerque';