Question: What Shakespearean play has a pair of brothers where one inherits the throne, and the other flees to Ireland after their father's murder?
{'answer': '"Macbeth"', 'supporting_facts': [['Donalbain (Macbeth)', 0], ['Donalbain (Macbeth)', 2], ['Malcolm (Macbeth)', 0], ['Malcolm (Macbeth)', 3]]}