Question: galvanized metals have been covered with a thin sheet of
[{'answer': 'zinc', 'provenance': [{'wikipedia_id': '12858', 'title': 'Galvanization', 'start_paragraph_id': 1, 'start_character': 69, 'end_paragraph_id': 1, 'end_character': 73, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '12858', 'title': 'Galvanization', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 224, 'bleu_score': 0.701902279032179, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 3670599931482807224}, 'section': 'Section::::Abstract.'}]}]