The —, 2004 film drama starring Dennis Quaid and Billy Bob Thornton (5)
I believe the answer is:
alamo
(Other definitions for alamo that I've seen before include "Mission building in Texas, site of famous siege by Mexico" , "national monument" , "Mexicans invested in Texas" , "Davy Crockett's last stand" , "Fort in San Antonio, once famously besieged" .)