How many Bourne movies has Matt Damon starred in?
{'directed': True, 'multigraph': False, 'graph': {}, 'nodes': [{'type': 'QUESTIONS_ENTITY', 'name_': 'Q175535', 'id': 0, 'label': 'Matt Damon'}, {'type': 'INTERNAL', 'name_': 'Q1059919', 'id': 1, 'label': 'Jason Bourne'}, {'type': 'ANSWER_CANDIDATE_ENTITY', 'name_': 'Q107226', 'id': 2, 'label': 'The Bourne Ultimatum'}, {'type': 'QUESTIONS_ENTITY', 'name_': 'Q868683', 'id': 3, 'label': 'Bourne'}], 'links': [{'name_': 'P175', 'source': 1, 'target': 0, 'label': 'performer'}, {'name_': 'P1441', 'source': 1, 'target': 2, 'label': 'present in work'}, {'name_': 'P161', 'source': 3, 'target': 0, 'label': 'cast member'}, {'name_': 'P138', 'source': 3, 'target': 1, 'label': 'named after'}, {'name_': 'P527', 'source': 3, 'target': 2, 'label': 'has part(s)'}]}