Complex sentence: Karen Koch (pronounced "Cook") (born 1951) was an American ice hockey goaltender for the Marquette Iron Rangers in the United States Hockey League during the 1969-70 season.
Split into simpler sentences: Karen Koch (pronounced "Cook") (born 1951) is an American former ice hockey goaltender. She played for the Marquette Iron Rangers in the United States Hockey League during the 1969-70 season.