Complex sentence: Muscle Beach Tom is the 101st one-reel animated "Tom and Jerry" short, released on September 7,1956 by Metro-Goldwyn-Mayer.
Split into simpler sentences: Muscle Beach Tom is the 101st one-reel animated "Tom and Jerry" short, released in 1956. It was released on September 7,1956 by Metro-Goldwyn-Mayer.