What was the deadliest volcanic eruption?
{'directed': True, 'multigraph': False, 'graph': {}, 'nodes': [{'type': 'QUESTIONS_ENTITY', 'name_': 'Q7692360', 'id': 0, 'label': 'Types of volcanic eruptions'}, {'type': 'ANSWER_CANDIDATE_ENTITY', 'name_': 'Q168714', 'id': 1, 'label': 'Mount Tambora'}, {'type': 'INTERNAL', 'name_': 'Q3591483', 'id': 2, 'label': '1815 eruption of Mount Tambora'}], 'links': [{'name_': 'P31', 'source': 2, 'target': 0, 'label': 'instance of'}, {'name_': 'P276', 'source': 2, 'target': 1, 'label': 'location'}]}