Complex sentence: This version was made after two years without the Teleton event since the year 2005 were not made because of the presidential and parliamentary elections that year and the first Telethon was held under the leadership of Michelle Bachelet.
Split into simpler sentences: This version was made after two years without the Telethon event since during 2005 it was not made because of the presidential and parliamentary elections. This was the first Telethon to be held under the leadership of Michelle Bachelet.