Complex sentence: The club was originally founded in 1920 under the name Sudostroitel (Sudnobudivnyk) Mykolaiv and it is the oldest continuously playing club in the country that competes on the professional level.
Split into simpler sentences: The club was founded in 1920 under the name Sudostroitel (Sudnobudivnyk) Mykolaiv. It is the oldest continuously playing club in the country that competes on the professional level.