Question: Heaven is a documentary film, released in which year, about beliefs concerning the afterlife and heaven in particular, the film was written and directed by Diane Keaton, an American film actress, director and producer?

Related documents: [0]  [DOC] Heaven is a 1987 documentary film about beliefs concerning the afterlife and heaven in particular. The film was written and directed by Diane Keaton, and features a soundtrack by Howard Shore. [END] 
[1]  [DOC] Diane Keaton (born Diane Hall; January 5, 1946) is an American film actress, director and producer. She began her career on stage and made her screen debut in 1970. Her first major film role was as Kay Adams-Corleone in "The Godfather" (1972), but the films that shaped her early career were those with director and co-star Woody Allen, beginning with "Play It Again, Sam" in 1972. Her next two films with Allen, "Sleeper" (1973) and "Love and Death" (1975), established her as a comic actor. Her fourth, "Annie Hall" (1977), won her the Academy Award for Best Actress. [END]  
Answer: 1987
1987