Question: who won in the war of alexander and porus
[{'answer': 'Alexander', 'provenance': [{'wikipedia_id': '82975', 'title': 'Porus', 'start_paragraph_id': 1, 'start_character': 317, 'end_paragraph_id': 1, 'end_character': 326, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '82975', 'title': 'Porus', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 1123, 'bleu_score': 0.870028861423853, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 7924603068964478046}, 'section': 'Section::::Abstract.'}]}]