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?

Context articles: The Good Mother (1988 film)
Buster Keaton Rides Again
Heaven (1987 film)
Town &amp; Country (film)
Diane Keaton
Howard Rosenman
Shoot the Moon
The First Wives Club
Morning Glory (2010 film)
Tod Scott Brody

The Good Mother is a 1988 American drama film and an adaptation of Sue Miller's novel of the same name.
 Directed by Leonard Nimoy, the film stars Diane Keaton and Liam Neeson in the leading roles.
 "The Good Mother" explores feelings and beliefs about children's exposure to adult sexuality and challenges society's growing reliance upon courts to settle complex private and ethical matters.
Buster Keaton Rides Again is a 55-minute 1965 documentary film directed by John Spotton and narrated by Michael Kane.
 The film is a behind-the-scenes documentary shot while Buster Keaton's film "The Railrodder" (1965), was being produced.
 Although it is a production documentary, the film is actually longer than "The Railrodder", which was only 24 minutes long.
 Both films were produced by the National Film Board of Canada (NFB).
 In addition, a French version of "Buster Keaton Rides Again", "Avec Buster Keaton" was released.
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.
Town & Country is a 2001 American romantic comedy film directed by Peter Chelsom, written by Buck Henry and Michael Laughlin, and starring Warren Beatty, Diane Keaton, Goldie Hawn, Garry Shandling, Andie MacDowell, Jenna Elfman, Nastassja Kinski, and Charlton Heston.
 Beatty plays an architect, with Keaton as his wife, and Hawn and Shandling as their best friends.
 This is Beatty's and Keaton's first film together since 1981's "Reds," and Beatty's third film with Hawn, after 1971's "$" and 1975's "Shampoo".
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.
Howard Rosenman (born February 1, 1945), also known as Zvi Howard Rosenman, is an American producer and motion picture executive.
 He specializes in producing romantic comedy films and documentary films.
 Some of his most popular productions include "Father of the Bride" (1991) starring Steve Martin and Diane Keaton, Joss Whedon's "Buffy the Vampire Slayer" (1992) and "The Family Man" (2000) starring Nicolas Cage.
 Rosenman's documentary film "" won the Peabody Award and the 1990 Academy Award for Best Documentary Feature; his film "The Celluloid Closet" also won the Peabody Award.
Shoot the Moon is a 1982 American drama film directed by Alan Parker, and written by Bo Goldman.
 It stars Albert Finney, Diane Keaton, Karen Allen, Peter Weller and Dana Hill.
 Set in Marin County, California, the film follows George Dunlap (Finney) and his wife Faith (Keaton) as their deteriorating marriage, separation and love affairs devastate their four children.
The First Wives Club is a 1996 American comedy film, based on the best-selling 1992 novel of the same name by Olivia Goldsmith.
 Narrated by Diane Keaton, it stars Keaton, Goldie Hawn, and Bette Midler as three divorced women who seek revenge on their ex-husbands who left them for younger women.
 Stephen Collins, Victor Garber and Dan Hedaya co-star as the husbands, and Sarah Jessica Parker, Marcia Gay Harden and Elizabeth Berkley as their lovers, with Maggie Smith, Bronson Pinchot and Stockard Channing also starring.
 Scott Rudin produced and Hugh Wilson directed; the film was distributed by Paramount Pictures.
Morning Glory is a 2010 American comedy film directed by Roger Michell and written by Aline Brosh McKenna.
 It stars Rachel McAdams, Harrison Ford and Diane Keaton, with Patrick Wilson, John Pankow and Jeff Goldblum.
 The plot revolves around young and devoted morning television producer Becky Fuller (McAdams), who is hired as an executive producer on the long-running morning show "DayBreak", at a once-prominent but currently failing station in New York City.
 Eager to keep the show on air, she recruits a former news journalist and anchor (Ford) who disapproves of co-hosting a show that does not deal with real news stories.
Tod Scott Brody (October 23, 1956 – December 23, 2016) was an American film producer, editor, and still photographer who, during the 1980s, was an executive at both Cannon Films and MGM.
 He was associated with Miramax and the producer Scott Rudin during the 1990s, and was an executive producer on the film "Marvin's Room", which starred Meryl Streep, Diane Keaton (Oscar-nomination for her role), Leonardo DiCaprio, and Robert De Niro.