CREATE TABLE table_2140071_5 (season VARCHAR2, premier_date VARCHAR2)

How many seasons have a premier date of January 6, 2005?
SELECT COUNT(season) FROM table_2140071_5 WHERE premier_date = "January 6, 2005"
SELECT COUNT("season") FROM "table_2140071_5" WHERE "January 6, 2005" = "premier_date"