Generate a correct and concise answer for the question based on the words in the context.

Ex Input:
Context : Otto Preminger died in New York City, New York in 1986, aged 80, from lung cancer while suffering from Alzheimer's disease. 
Question : What medical condition did Otto Preminger have at the end of his life?

Ex Output:
Alzheimer's disease


Ex Input:
Context : The Roviana rail (Gallirallus rovianae) is a species of bird in the family Rallidae. 
Question : Is the taxon rank of Roviana rail species or genus?

Ex Output:
species


Ex Input:
Context : Regular Lovers (French: Les Amants réguliers) is a 2005 French independent coming-of-age romantic drama film directed by Philippe Garrel and starring his son, actor Louis Garrel. 
Question : Who directed the film Regular Lovers?

Ex Output:

Philippe Garrel