Question: how much electricity does a lemon battery produce
[{'answer': '0.9 V', 'provenance': [{'wikipedia_id': '217946', 'title': 'Lemon battery', 'start_paragraph_id': 4, 'start_character': 450, 'end_paragraph_id': 4, 'end_character': 455, 'bleu_score': 1.0, 'section': 'Section::::Use in school projects.\n'}]}, {'provenance': [{'wikipedia_id': '217946', 'title': 'Lemon battery', 'start_paragraph_id': 4, 'start_character': 0, 'end_paragraph_id': 4, 'end_character': 1654, 'bleu_score': 0.9449422244978041, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 2083658043070257606}, 'section': 'Section::::Use in school projects.\n'}]}]