Question: Princess Frederica Dorothea "Louise" Philippine of Prussia, was a member of the House of Hohenzollern, and was a niece of which King of Prussia from 1740 until 1786, the longest reign of any Hohenzollern king?
{'answer': 'Frederick the Great', 'supporting_facts': [['Princess Louise of Prussia (1770–1836)', 1], ['Frederick the Great', 0]]}