Who created the telegraph?
{'directed': True, 'multigraph': False, 'graph': {}, 'nodes': [{'type': 'QUESTIONS_ENTITY', 'name_': 'Q6987428', 'id': 0, 'label': 'telegraph'}, {'type': 'INTERNAL', 'name_': 'Q9356455', 'id': 1, 'label': 'Telegraf'}, {'type': 'ANSWER_CANDIDATE_ENTITY', 'name_': 'Q41517255', 'id': 2, 'label': 'Telegraph'}], 'links': [{'name_': 'P1889', 'source': 1, 'target': 0, 'label': 'different from'}, {'name_': 'P1889', 'source': 1, 'target': 2, 'label': 'different from'}]}