Question: What German aircraft designed by Seiegfried and Walter Günter at Heinkel Flugzeugwerke in 1934 was operated by Lehrgeschwader 1?
{'answer': 'Heinkel He 111', 'supporting_facts': [['Lehrgeschwader 1', 0], ['Lehrgeschwader 1', 1], ['Heinkel He 111', 0]]}