Question: who led the carthaginian army in the second punic war
[{'answer': 'Hannibal', 'provenance': [{'wikipedia_id': '28563', 'title': 'Second Punic War', 'start_paragraph_id': 1, 'start_character': 69, 'end_paragraph_id': 1, 'end_character': 77, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '28563', 'title': 'Second Punic War', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 987, 'bleu_score': 0.764425475425987, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 6231980697558312046}, 'section': 'Section::::Abstract.'}]}]