Question: what do we call the head of state in india
[{'answer': 'president', 'provenance': [{'wikipedia_id': '13456', 'title': 'Head of state', 'start_paragraph_id': 1, 'start_character': 515, 'end_paragraph_id': 1, 'end_character': 524, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '13456', 'title': 'Head of state', 'start_paragraph_id': 18, 'start_character': 0, 'end_paragraph_id': 18, 'end_character': 298, 'bleu_score': 0.9172891018523621, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 15726657132642378220}, 'section': 'Section::::Constitutional models.:Parliamentary system.:Standard model.\n'}]}]