Who earned their first movie credit as an actor the earliest, George Clooney or Matt Damon?
{'directed': True, 'multigraph': False, 'graph': {}, 'nodes': [{'type': 'ANSWER_CANDIDATE_ENTITY', 'name_': 'Q28389', 'id': 0, 'label': 'screenwriter'}, {'type': 'QUESTIONS_ENTITY', 'name_': 'Q175535', 'id': 1, 'label': 'Matt Damon'}, {'type': 'QUESTIONS_ENTITY', 'name_': 'Q23844', 'id': 2, 'label': 'George Clooney'}, {'type': 'INTERNAL', 'name_': 'Q1059316', 'id': 3, 'label': 'Brett Kelly'}], 'links': [{'name_': 'P106', 'source': 1, 'target': 0, 'label': 'occupation'}, {'name_': 'P106', 'source': 3, 'target': 0, 'label': 'occupation'}, {'name_': 'P737', 'source': 3, 'target': 2, 'label': 'influenced by'}]}