Who was the first pope of the Catholic Church?
{'directed': True, 'multigraph': False, 'graph': {}, 'nodes': [{'type': 'QUESTIONS_ENTITY', 'name_': 'Q9592', 'id': 0, 'label': 'Catholic Church'}, {'type': 'ANSWER_CANDIDATE_ENTITY', 'name_': 'Q33923', 'id': 1, 'label': 'Peter'}, {'type': 'INTERNAL', 'name_': 'Q187151', 'id': 2, 'label': 'Zeitz Cathedral'}], 'links': [{'name_': 'P140', 'source': 2, 'target': 0, 'label': 'religion or worldview'}, {'name_': 'P417', 'source': 2, 'target': 1, 'label': 'patron saint'}]}