Complex sentence: Peter Rocca (born July 27,1957 in Oakland, California) is a former international backstroke swimmer from the United States, who participated for his native country at the 1976 Summer Olympics in Montreal, Canada.
Split into simpler sentences: Peter Rocca (born July 27,1957 in Oakland, California) is a former international backstroke swimmer from the United States. Peter participated for his native country at the 1976 Summer Olympics in Montreal, Canada.