CREATE TABLE table_20131 ("City of License /Market" TEXT, "Station" TEXT, "Channel TV  (  DT  ) " TEXT, "Years owned" TEXT, "Current affiliation" TEXT)

How many years has station KPIX been owned?
SELECT COUNT("Years owned") FROM table_20131 WHERE "Station" = 'KPIX'
SELECT COUNT("Years owned") FROM "table_20131" WHERE "Station" = 'KPIX'