Complex sentence: The SDF won 43 seats in the National Assembly in the May 1997 parliamentary election, 22 in the 2002 parliamentary election, and 14 in the July 2007 parliamentary election (out of 163, with 17 seats still undecided).
Split into simpler sentences: The SDF won 43 seats in the National Assembly in the May 1997 parliamentary election. In the July 2007 parliamentary election, the SDF won 14 seats (out of 163, with 17 seats still undecided).