Complex sentence: The first conference of the Democratic Left was held on 31 March-3 April 2011, electing Fotis Kouvelis as its leader with 97.31% of the vote.
Split into simpler sentences: The first conference of the Democratic Left was held on 31 March-3 April 2011. It elected Fotis Kouvelis as the party'ss leader with 97.31% of the vote.