Which Portuguese explorer achieved the first European navigation from the Atlantic to Asia and was killed in the Battle of Mactan?
{'directed': True, 'multigraph': False, 'graph': {}, 'nodes': [{'type': 'QUESTIONS_ENTITY', 'name_': 'Q46', 'id': 0, 'label': 'Europe'}, {'type': 'INTERNAL', 'name_': 'Q916', 'id': 1, 'label': 'Angola'}, {'type': 'QUESTIONS_ENTITY', 'name_': 'Q97', 'id': 2, 'label': 'Atlantic Ocean'}, {'type': 'INTERNAL', 'name_': 'Q45670', 'id': 3, 'label': 'Kingdom of Portugal'}, {'type': 'INTERNAL', 'name_': 'Q948', 'id': 4, 'label': 'Tunisia'}, {'type': 'QUESTIONS_ENTITY', 'name_': 'Q48', 'id': 5, 'label': 'Asia'}, {'type': 'ANSWER_CANDIDATE_ENTITY', 'name_': 'Q394067', 'id': 6, 'label': 'European people'}, {'type': 'INTERNAL', 'name_': 'Q178561', 'id': 7, 'label': 'battle'}, {'type': 'INTERNAL', 'name_': 'Q101094841', 'id': 8, 'label': 'Western Europeans'}, {'type': 'QUESTIONS_ENTITY', 'name_': 'Q178630', 'id': 9, 'label': 'Portuguese'}, {'type': 'INTERNAL', 'name_': 'Q14501938', 'id': 10, 'label': 'Chaambi Operations'}, {'type': 'INTERNAL', 'name_': 'Q1496', 'id': 11, 'label': 'Ferdinand Magellan'}, {'type': 'QUESTIONS_ENTITY', 'name_': 'Q2091449', 'id': 12, 'label': 'Battle of Mactan'}], 'links': [{'name_': 'P17', 'source': 1, 'target': 1, 'label': 'country'}, {'name_': 'P1589', 'source': 1, 'target': 2, 'label': 'lowest point'}, {'name_': 'P172', 'source': 1, 'target': 6, 'label': 'ethnic or cultural origin'}, {'name_': 'P205', 'source': 2, 'target': 1, 'label': 'basin country'}, {'name_': 'P205', 'source': 2, 'target': 4, 'label': 'basin country'}, {'name_': 'P30', 'source': 3, 'target': 0, 'label': 'continent'}, {'name_': 'P17', 'source': 3, 'target': 3, 'label': 'country'}, {'name_': 'P17', 'source': 4, 'target': 4, 'label': 'country'}, {'name_': 'P172', 'source': 4, 'target': 6, 'label': 'ethnic or cultural origin'}, {'name_': 'P47', 'source': 5, 'target': 0, 'label': 'shares border with'}, {'name_': 'P276', 'source': 6, 'target': 0, 'label': 'location'}, {'name_': 'P279', 'source': 8, 'target': 6, 'label': 'subclass of'}, {'name_': 'P527', 'source': 8, 'target': 9, 'label': 'has part(s)'}, {'name_': 'P17', 'source': 10, 'target': 4, 'label': 'country'}, {'name_': 'P31', 'source': 10, 'target': 7, 'label': 'instance of'}, {'name_': 'P27', 'source': 11, 'target': 3, 'label': 'country of citizenship'}, {'name_': 'P607', 'source': 11, 'target': 12, 'label': 'conflict'}, {'name_': 'P31', 'source': 12, 'target': 7, 'label': 'instance of'}]}