Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_16478 ( "City of license/Market" text, "Station" text, "Channel TV ( DT )" text, "Year of affiliation" text, "Owned since" text )

### Question ###
The station located in Albuquerque has been owned since what year?

### Accurate SQL ###

SELECT "Owned since" FROM table_16478 WHERE "City of license/Market" = 'Albuquerque'