Question: What is the nationality of this novelist, short story writer, poet, screenwriter, and fighter pilot who wrote the novel that inspired the 1971 film "Willy Wonka & the Chocolate Factory?"
{'answer': 'British', 'supporting_facts': [['Willy Wonka &amp; the Chocolate Factory', 0], ['Willy Wonka &amp; the Chocolate Factory', 1], ['Roald Dahl', 0]]}