Question: HD-4 or Hydrodome number 4, was an early research hydrofoil watercraft, developed by which scientist, who was a Scottish-born scientist, inventor, engineer, and innovator who is credited with patenting the first practical telephone, and founding the American Telephone and Telegraph Company (AT&T), in 1885?
{'answer': 'Alexander Graham Bell', 'supporting_facts': [['HD-4', 0], ['Alexander Graham Bell', 0]]}