Complex sentence: It was selected to be screened in the main competition section of the 74th Venice International Film Festival, where it premiered on September 4,2017, and also played at the 2017 Toronto International Film Festival, where it won the People's Choice Award.
Split into simpler sentences: It was selected to be screened in the main competition section of the 74th Venice International Film Festival and premiered on September 4,2017. It also screened at the 2017 Toronto International Film Festival, where it won the People's Choice Award.