Question: In which state of America will you find the Berlin Historic District which encompasses the ghost town of Berlin established as part of the Union Mining District and Berlin–Ichthyosaur State Park, a recreation area and historic preserve that protects ichthyosaur fossils and the ghost town?
{'answer': 'Nevada', 'supporting_facts': [['Berlin–Ichthyosaur State Park', 0], ['Berlin Historic District (Berlin, Nevada)', 0], ['Berlin Historic District (Berlin, Nevada)', 1]]}