Question: Josef "Pips" Priller, was a German military aviator in the Luftwaffe during World War II, a fighter ace credited with 101 enemy aircraft shot down in 307 combat missions, all of his victories were claimed over which location, including 11 four-engine bombers and at least 68 Supermarine Spitfire fighters, a British single-seat fighter aircraft that was used by the Royal Air Force and many other Allied countries before, during and after World War II?
{'answer': 'Western Front', 'supporting_facts': [['Josef Priller', 1], ['Supermarine Spitfire', 0]]}