Question: Which mine has more gold in it, Leckie Mine or Burwash Mine?
{'answer': 'Leckie Mine', 'supporting_facts': [['Leckie Mine', 0], ['Leckie Mine', 1], ['Leckie Mine', 2], ['Burwash Mine', 0], ['Burwash Mine', 1], ['Burwash Mine', 2], ['Burwash Mine', 3]]}