Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| Name | Date of Death | Ceremony | Year | Academy Award | Film | Winner |
| --- | --- | --- | --- | --- | --- | --- |
| Marit Allen | November 26, 2007 | 80th | 2007 | Best Costume Design | La Vie en Rose |  |
| Howard Ashman | March 14, 1991 | 64th | 1991 | Best Music (Song) | Beauty and the Beast | Won |
| Howard Ashman | March 14, 1991 | 64th | 1991 | Best Music (Song) | Beauty and the Beast |  |
| Howard Ashman | March 14, 1991 | 64th | 1991 | Best Music (Song) | Beauty and the Beast |  |
| Howard Ashman | March 14, 1991 | 65th | 1992 | Best Music (Song) | Aladdin |  |
| Joseph H. August | September 25, 1947 | 21st | 1948 | Best Cinematography | Portrait of Jennie |  |
| Robert Alan Aurthur | November 20, 1978 | 52nd | 1979 | Best Picture | All That Jazz |  |
| Robert Alan Aurthur | November 20, 1978 | 52nd | 1979 | Best Writing | All That Jazz |  |
| Mario Cecchi Gori | November 5, 1993 | 68th | 1995 | Best Picture | Il Postino |  |
| Frank Churchill | May 14, 1942 | 15th | 1942 | Best Music (Scoring) | Bambi |  |
| Frank Churchill | May 14, 1942 | 15th | 1942 | Best Music (Song) | Bambi |  |
| Allen Davey | March 5, 1946 | 18th | 1945 | Best Cinematography | A Song to Remember |  |
| James Dean | September 30, 1955 | 28th | 1955 | Best Actor | East of Eden |  |
| James Dean | September 30, 1955 | 29th | 1956 | Best Actor | Giant |  |
| Walt Disney | December 15, 1966 | 41st | 1968 | Best Short Film (Animated) | Winnie the Pooh and the Blustery Day | Won |
| Gail Dolgin | October 7, 2010 | 84th | 2011 | Best Documentary (Short Subject) | The Barber of Birmingham |  |
| Gerald Duffy | June 25, 1928 | 1st | 1927 / 1928 | Best Writing | The Private Life of Helen of Troy |  |
| Jeanne Eagels | October 3, 1929 | 2nd | 1928 / 1929 | Best Actress | The Letter |  |
| William Ferrari | September 10, 1962 | 36th | 1963 | Best Art Direction | How the West Was Won |  |
| Peter Finch | January 14, 1977 | 49th | 1976 | Best Actor | Network | Won |
| Gil Friesen | December 13, 2012 | 86th | 2013 | Best Documentary Feature | 20 Feet from Stardom | Won |
| George Gershwin | July 11, 1937 | 10th | 1937 | Best Music (Song) | Shall We Dance |  |
| Stuart Gilmore | November 19, 1971 | 44th | 1971 | Best Film Editing | The Andromeda Strain |  |
| Thomas C. Goodwin | December 11, 1992 | 65th | 1992 | Best Documentary (Short Subject) | Educating Peter | Won |
| Conrad Hall | January 4, 2003 | 75th | 2002 | Best Cinematography | Road to Perdition | Won |
| David Hall | July 23, 1964 | 38th | 1965 | Best Art Direction | The Greatest Story Ever Told |  |
| Dale Hennesy | July 20, 1981 | 55th | 1982 | Best Art Direction | Annie |  |
| Bernard Herrmann | December 24, 1975 | 49th | 1976 | Best Music (Scoring) | Obsession |  |
| Bernard Herrmann | December 24, 1975 | 49th | 1976 | Best Music (Scoring) | Taxi Driver |  |
| Gordon Hollingshead | July 8, 1952 | 25th | 1952 | Best Short Film (Live Action) | Desert Killer |  |
| Gordon Hollingshead | July 8, 1952 | 25th | 1952 | Best Short Film (Live Action) | Thar She Blows! |  |
| William A. Horning | March 2, 1959 | 31st | 1958 | Best Art Direction | Gigi | Won |
| William A. Horning | March 2, 1959 | 32nd | 1959 | Best Art Direction | Ben-Hur | Won |
| William A. Horning | March 2, 1959 | 32nd | 1959 | Best Art Direction | North by Northwest |  |
| Sidney Howard | August 23, 1939 | 12th | 1939 | Best Writing | Gone with the Wind | Won |
| John Hubley | February 21, 1977 | 50th | 1977 | Best Short Film (Animated) | A Doonesbury Special |  |
| Eiko Ishioka | January 21, 2012 | 85th | 2012 | Best Costume Design | Mirror Mirror |  |
| Bert Kalmar | September 18, 1947 | 24th | 1951 | Best Music (Song) | The Strip |  |
| Jerome Kern | November 11, 1945 | 18th | 1945 | Best Music (Scoring) | Can't Help Singing |  |
| Jerome Kern | November 11, 1945 | 18th | 1945 | Best Music (Song) | Can't Help Singing |  |
| Jerome Kern | November 11, 1945 | 19th | 1946 | Best Music (Song) | Centennial Summer |  |
| William Kiernan | November 19, 1973 | 46th | 1973 | Best Art Direction | The Way We Were |  |
| Frederic Knudtson | February 14, 1964 | 36th | 1963 | Best Film Editing | It's a Mad, Mad, Mad, Mad World |  |
| Albert Lamorisse | June 2, 1970 | 51st | 1978 | Best Documentary (Feature) | The Lovers' Wind |  |
| Heath Ledger | January 22, 2008 | 81st | 2008 | Best Supporting Actor | The Dark Knight | Won |
| Boris Leven | October 11, 1986 | 59th | 1986 | Best Art Direction | The Color of Money |  |
| William C. Mellor | April 30, 1963 | 38th | 1965 | Best Cinematography | The Greatest Story Ever Told |  |
| Anthony Minghella | March 18, 2008 | 81st | 2008 | Best Picture | The Reader |  |
| James V. Monaco | October 16, 1945 | 19th | 1946 | Best Music (Song) | The Dolly Sisters |  |
| Alfred Newman | February 17, 1970 | 43rd | 1970 | Best Music (Scoring) | Airport |  |
| Joseph O'Brien | March 30, 1945 | 18th | 1945 | Best Short Film (Live Action) | Your National Gallery |  |
| Bridget O'Connor | September 22, 2010 | 84th | 2011 | Best Writing | Tinker Tailor Soldier Spy |  |
| Eric Orbom | May 23, 1959 | 33rd | 1960 | Best Art Direction | Spartacus | Won |
| Arnold Perl | December 11, 1971 | 45th | 1972 | Best Documentary (Feature) | Malcolm X |  |
| Sydney Pollack | May 26, 2008 | 81st | 2008 | Best Picture | The Reader |  |
| Raymond Rasch | December 23, 1964 | 45th | 1972 | Best Music (Scoring) | Limelight | Won |
| Gretchen Rau | March 29, 2006 | 79th | 2006 | Best Art Direction | The Good Shepherd |  |
| Ralph Richardson | October 10, 1983 | 57th | 1984 | Best Supporting Actor | Greystoke: The Legend of Tarzan, Lord of the Apes |  |
| Richard H. Riedel | March 18, 1960 | 32nd | 1959 | Best Art Direction | Pillow Talk |  |
| Larry Russell | February 14, 1954 | 45th | 1972 | Best Music (Scoring) | Limelight | Won |
| Tess Slesinger | February 21, 1945 | 18th | 1945 | Best Writing | A Tree Grows in Brooklyn |  |
| Carol Sobieski | November 4, 1990 | 64th | 1991 | Best Writing | Fried Green Tomatoes |  |
| Gile Steele | January 16, 1952 | 24th | 1951 | Best Costume Design | Kind Lady |  |
| Gile Steele | January 16, 1952 | 24th | 1951 | Best Costume Design | The Great Caruso |  |
| Gile Steele | January 16, 1952 | 25th | 1952 | Best Costume Design | The Merry Widow |  |
| Harry Stradling | February 14, 1970 | 42nd | 1969 | Best Cinematography | Hello, Dolly! |  |
| Harry W. Tetrick | February 17, 1977 | 49th | 1976 | Best Sound | King Kong |  |
| Harry W. Tetrick | February 17, 1977 | 49th | 1976 | Best Sound | Rocky |  |
| Spencer Tracy | June 10, 1967 | 40th | 1967 | Best Actor | Guess Who's Coming to Dinner |  |
| Massimo Troisi | June 4, 1994 | 68th | 1995 | Best Actor | Il Postino |  |
| Massimo Troisi | June 4, 1994 | 68th | 1995 | Best Writing | Il Postino |  |
| Lamar Trotti | August 28, 1952 | 27th | 1954 | Best Writing | There's No Business Like Show Business |  |
| Geoffrey Unsworth | October 28, 1978 | 53rd | 1980 | Best Cinematography | Tess | Won |
| Robert L. Wolfe | February 28, 1981 | 54th | 1981 | Best Film Editing | On Golden Pond |  |
| Victor Young | November 10, 1956 | 29th | 1956 | Best Music (Scoring) | Around the World in Eighty Days | Won |
| Victor Young | November 10, 1956 | 29th | 1956 | Best Music (Song) | Written on the Wind |  |
| Sam Zimbalist | November 4, 1958 | 32nd | 1959 | Best Picture | Ben-Hur | Won |
Question:
how many academy awards have been won posthumously?
Answer:
16