Question: who gave the famous slogan go back to vedas
[{'answer': 'Dayananda', 'provenance': [{'wikipedia_id': '45654', 'title': 'Dayananda Saraswati', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 9, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '45654', 'title': 'Dayananda Saraswati', 'start_paragraph_id': 16, 'start_character': 0, 'end_paragraph_id': 16, 'end_character': 96, 'bleu_score': 0.8702397637697911, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 8615784541144490848}, 'section': "Section::::Dayanand's mission.\n"}]}]