Question: when was the first hydrogen fuel cell created
[{'answer': '1842', 'provenance': [{'wikipedia_id': '1252085', 'title': 'Fuel cell vehicle', 'start_paragraph_id': 7, 'start_character': 264, 'end_paragraph_id': 7, 'end_character': 268, 'bleu_score': 1.0, 'section': 'Section::::History.\n'}]}, {'provenance': [{'wikipedia_id': '1252085', 'title': 'Fuel cell vehicle', 'start_paragraph_id': 8, 'start_character': 0, 'end_paragraph_id': 8, 'end_character': 800, 'bleu_score': 0.667469247177308, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 120099261853736506}, 'section': 'Section::::History.\n'}]}]