Question: when was tin foil replaced by aluminum foil
[{'answer': 'after World War II', 'provenance': [{'wikipedia_id': '3835508', 'title': 'Tin foil', 'start_paragraph_id': 1, 'start_character': 91, 'end_paragraph_id': 1, 'end_character': 109, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '3835508', 'title': 'Tin foil', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 210, 'bleu_score': 0.8815741981066071, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 11787186235792635428}, 'section': 'Section::::Abstract.'}]}]