Question: Yeezus is the sixth studio album by American rapper Kanye West, 3] West gathered a number of artists and close collaborators for production on the album, including Alejandro Ghersi, better known by his stage name Arca, is a Venezuelan electronic producer, songwriter, mixing engineer and DJ based in Dalston, in which location?
{'answer': 'London', 'supporting_facts': [['Yeezus', 2], ['Arca (musician)', 0]]}