Question: blood is pumped from which part of the heart to the lungs
[{'answer': 'right ventricle', 'provenance': [{'wikipedia_id': '598465', 'title': 'Pulmonary circulation', 'start_paragraph_id': 1, 'start_character': 114, 'end_paragraph_id': 1, 'end_character': 129, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '598465', 'title': 'Pulmonary circulation', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 420, 'bleu_score': 0.9694566079002921, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 17059422254058511240}, 'section': 'Section::::Abstract.'}]}]