Question: In mathematics, the Borel–Carathéodory theorem in complex analysis shows that an analytic function may be bounded by its real part, it is named for Émile Borel and Constantin Carathéodory, was a Greek mathematician who spent most of his professional career in which country?
{'answer': 'Germany', 'supporting_facts': [['Borel–Carathéodory theorem', 2], ['Constantin Carathéodory', 0]]}