Question: where does the earth's magnetic field originate
[{'answer': "Earth 's interior", 'provenance': [{'wikipedia_id': '146983', 'title': "Earth's magnetic field", 'start_paragraph_id': 70, 'start_character': 146, 'end_paragraph_id': 70, 'end_character': 163, 'bleu_score': 1.0, 'section': 'Section::::Physical origin.:Numerical models.\n'}]}, {'provenance': [{'wikipedia_id': '146983', 'title': "Earth's magnetic field", 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 947, 'bleu_score': 0.672030265553994, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 4669638717437965181}, 'section': 'Section::::Abstract.'}]}]