CREATE TABLE table_228973_11 (no_in_season VARCHAR, original_air_date VARCHAR)

The episode which originally aired on February 11, 2005 had which episode # of the season?
SELECT no_in_season FROM table_228973_11 WHERE original_air_date = "February 11, 2005"
SELECT "no_in_season" FROM "table_228973_11" WHERE "February 11, 2005" = "original_air_date"