Table:
text: List of posthumous Academy Award winners and nominees
Competitive awards
Competitive awards
Name_ Date_of_Death Ceremony Year_ Academy_Award Film Winner_
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

Question: From the list of posthumous Oscar winners and nominees, who won an Oscar for Best Sound for two films in the same year - King Kong and Rocky?