Which countries have had the most wars against each other?
{'directed': True, 'multigraph': False, 'graph': {}, 'nodes': [{'type': 'QUESTIONS_ENTITY', 'name_': 'Q6256', 'id': 0, 'label': 'country'}, {'type': 'INTERNAL', 'name_': 'Q144', 'id': 1, 'label': 'dog'}, {'type': 'ANSWER_CANDIDATE_ENTITY', 'name_': 'Q23766486', 'id': 2, 'label': 'list of values as qualifiers'}, {'type': 'INTERNAL', 'name_': 'Q901', 'id': 3, 'label': 'scientist'}, {'type': 'QUESTIONS_ENTITY', 'name_': 'Q198', 'id': 4, 'label': 'war'}, {'type': 'INTERNAL', 'name_': 'Q17319634', 'id': 5, 'label': 'The Threatened Swan'}], 'links': [{'name_': 'P1963', 'source': 0, 'target': 3, 'label': 'properties for this type'}, {'name_': 'P2738', 'source': 1, 'target': 2, 'label': 'disjoint union of'}, {'name_': 'P2737', 'source': 3, 'target': 2, 'label': 'union of'}, {'name_': 'P180', 'source': 5, 'target': 1, 'label': 'depicts'}, {'name_': 'P180', 'source': 5, 'target': 4, 'label': 'depicts'}]}