Which ship did the author of the Origin of Species travel aboard in 1859?
{'directed': True, 'multigraph': False, 'graph': {}, 'nodes': [{'type': 'INTERNAL', 'name_': 'Q1860', 'id': 0, 'label': 'English'}, {'type': 'INTERNAL', 'name_': 'Q1035', 'id': 1, 'label': 'Charles Darwin'}, {'type': 'INTERNAL', 'name_': 'Q1801903', 'id': 2, 'label': 'On the Tendency of Species to form Varieties; and on the Perpetuation of Varieties and Species by Natural Means of Selection'}, {'type': 'QUESTIONS_ENTITY', 'name_': 'Q20124', 'id': 3, 'label': 'On the origin of species'}, {'type': 'ANSWER_CANDIDATE_ENTITY', 'name_': 'Q35926', 'id': 4, 'label': 'HMS Beagle'}, {'type': 'INTERNAL', 'name_': 'Q20968204', 'id': 5, 'label': 'On the Origin of Species'}, {'type': 'INTERNAL', 'name_': 'Q21012627', 'id': 6, 'label': 'This Thing of Darkness'}, {'type': 'INTERNAL', 'name_': 'Q1564366', 'id': 7, 'label': 'Second voyage of HMS Beagle'}], 'links': [{'name_': 'P50', 'source': 2, 'target': 1, 'label': 'author'}, {'name_': 'P156', 'source': 2, 'target': 3, 'label': 'followed by'}, {'name_': 'P407', 'source': 5, 'target': 0, 'label': 'language of work or name'}, {'name_': 'P50', 'source': 5, 'target': 1, 'label': 'author'}, {'name_': 'P629', 'source': 5, 'target': 3, 'label': 'edition or translation of'}, {'name_': 'P407', 'source': 6, 'target': 0, 'label': 'language of work or name'}, {'name_': 'P840', 'source': 6, 'target': 4, 'label': 'narrative location'}, {'name_': 'P710', 'source': 7, 'target': 1, 'label': 'participant'}, {'name_': 'P1876', 'source': 7, 'target': 4, 'label': 'vessel'}]}