Question: how many stanzas are there in jana gana mana
[{'answer': 'first stanza', 'provenance': [{'wikipedia_id': '56280', 'title': 'Jana Gana Mana', 'start_paragraph_id': 1, 'start_character': 148, 'end_paragraph_id': 1, 'end_character': 160, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '56280', 'title': 'Jana Gana Mana', 'start_paragraph_id': 1, 'start_character': 34, 'end_paragraph_id': 1, 'end_character': 611, 'bleu_score': 0.8063463133540321, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 7327693842210372321}, 'section': 'Section::::Abstract.'}]}]