Complex sentence: It was first used in the 2005 general election, and replaced Galloway and Upper Nithsdale and part of Dumfries, and it elects one Member of Parliament (MP) by the first past the post system of election.
Split into simpler sentences: It was first used in the 2005 general election, and replaced Galloway and Upper Nithsdale and part of Dumfries. It elects one Member of Parliament (MP) by the first past the post system of election.