|Year|Film|Director|Producer|Writer|Notes|
|---|---|---|---|---|---|
|1953|The Sea Around Us|Yes|Yes|Yes|Documentary Academy Award for Best Documentary Feature|
|1954|Dangerous Mission||Yes|||
|1956|The Animal World|Yes|Yes|Yes|Documentary|
|1957|The Story of Mankind|Yes|Yes|Yes|Documentary|
|1960|The Big Circus||Yes|Yes||
|1960|The Lost World|Yes|Yes|Yes||
|1961|Voyage to the Bottom of the Sea|Yes|Yes|Yes||
|1962|Five Weeks in a Balloon|Yes|Yes|Yes||
|1972|The Poseidon Adventure|Yes|Yes||Directed action sequences only Nominated—Golden Globe Award for Best Motion Picture – Drama|
|1974|The Towering Inferno||Yes||Nominated—Academy Award for Best Picture|
|1978|The Swarm|Yes|Yes|||
|1979|Beyond the Poseidon Adventure|Yes|Yes|||
|1980|When Time Ran Out||Yes|||
|1983|Cave-In!||Yes|||

Question: how many films did irwin allen direct, produce and write?
Answer: 6