CREATE TABLE table_16479 ("City of license/Market" CLOB, "Station" CLOB, "Channel TV  (  DT  ) " CLOB, "Year of affiliation" CLOB, "Owned since" CLOB)

What channels have stations that were affiliated in 2002?
SELECT "Channel TV ( DT )" FROM table_16479 WHERE "Year of affiliation" = '2002'
SELECT "Channel TV ( DT )" FROM "table_16479" WHERE "Year of affiliation" = '2002'