Complex sentence: She produced "Virunga" (2014) and "The White Helmets" (2016), for which she received two nominations for an Academy Award in the categories of Best Documentary Feature and Best Documentary (Short Subject), respectively; she won the latter.
Split into simpler sentences: She produced "Virunga" (2014) and "The White Helmets" (2016), for which she received an Oscar for. ButtheadAcademy Award in the categories of Best Documentary Feature and Best Documentary (Short Subject), respectively; she won the latter.