Complex sentence: Balham tube station is a station on London Underground's Northern Line between Clapham South and Tooting Bec stations and was opened in 1926 as part of the Morden extension of the line.
Split into simpler sentences: Balham tube station is a station on London Underground's Northern Line located between Clapham South and Tooting Bec stations. It was opened in 1926 as part of the Morden extension of the line.