Complex sentence: The current winner is Mariam Mamadashvili of Georgia, who won the 2016 contest in Malta with "Mzeo", becoming the highest scoring winner with a record 239 points.
Split into simpler sentences: The current winner is Mariam Mamadashvili of Georgia, who won the 2016 contest in Malta with "Mzeo". The highest scoring winner is also Mariam Mamadashvili of Georgia who won the 2016 contest with a record 239 points.