Question: how many elements are there in the earth
[{'answer': '94 occur naturally', 'provenance': [{'wikipedia_id': '5659', 'title': 'Chemical element', 'start_paragraph_id': 2, 'start_character': 62, 'end_paragraph_id': 2, 'end_character': 80, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '5659', 'title': 'Chemical element', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 404, 'bleu_score': 0.589082117037206, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 7010026882739379121}, 'section': 'Section::::Abstract.'}]}]