Complex sentence: The nearest mainline railway station to the commercial centre of Mitcham is Mitcham Eastfields located between Mitcham Junction and Streatham which opened on 2 June 2008.
Split into simpler sentences: The nearest mainline railway station to the commercial centre of Mitcham is Mitcham Eastfields. A new station, called Mitcham Eastfields, between Mitcham Junction and Streatham, opened on 2 June 2008.