Complex sentence: Heilbronn railway, then called the Kocherbahn (Kocher Railway, referring to the Kocher river) and ending at Schwäbisch Hall station, which what built at the request of the population and following the approval of the Württemberg Chamber of Deputies in 1860.
Split into simpler sentences: Heilbronn railway, then called the "Kocherbahn" ("Kocher Railway", referring to the Kocher river) and ending at Schwäbisch Hall station. The extension was made at the request of the population and followed its approval by the Württemberg Chamber of Deputies in 1860.