Question: Elmer Tiling Cunningham an American entrepreneur was in direct violation by infringing on patents of a British electrical engineer known for inventing the first what?
{'answer': 'thermionic valve', 'supporting_facts': [['Elmer T. Cunningham', 0], ['Elmer T. Cunningham', 1], ['Elmer T. Cunningham', 2], ['John Ambrose Fleming', 0], ['John Ambrose Fleming', 1]]}