Table:
text: List of posthumous Academy Award winners and nominees
Competitive awards
Competitive awards
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

Question: On the list of posthumous Oscar winners and nominees, at least how many awards has Beauty and the Beast won?

Question: How many years is listed for Howard Ashman in the year column under Posthumous Oscar Winners and Nominees List?