Question: Keira Knightley began acting as a child and had several supporting roles such as in "Everest", but became famous after landing which role?
{'answer': 'Elizabeth Swann', 'supporting_facts': [['Everest (2015 film)', 0], ['Everest (2015 film)', 1], ['Keira Knightley', 1], ['Keira Knightley', 3]]}