Complex sentence: South Wilts Cricket Club is based at the Salisbury and South Wiltshire Sports Club and play in the Southern Premier Cricket League, which they have won five times in the past 25 years.
Split into simpler sentences: South Wilts Cricket Club, which is based at the Salisbury and South Wiltshire Sports Club and play in the Southern Premier Cricket League. The club has won the Southern Premier Cricket League five times in the past 25 years.