Complex sentence: The proposal from Roland Simounet was selected in 1976 from amongst the four that were submitted; other proposals were submitted by Roland Castro and the GAU (Groupement pour l'Architecture et l'Urbanisme), Jean Monge, and Carlo Scarpa.
Split into simpler sentences: The proposal from Roland Simounet was selected in 1976 from amongst the four that were submitted. Other proposals were submitted by Roland Castro and the GAU (Groupement pour l'Architecture et l'Urbanisme), Jean Monge, and Carlo Scarpa.