Question: who was born in two halves in mahabarata
[{'answer': 'Jarasandha', 'provenance': [{'wikipedia_id': '4768705', 'title': 'Jarasandha', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 10, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '4768705', 'title': 'Jarasandha', 'start_paragraph_id': 4, 'start_character': 0, 'end_paragraph_id': 4, 'end_character': 335, 'bleu_score': 0.846721602946491, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 18120757006097476153}, 'section': 'Section::::Etymology.\n'}]}]