Question: the san andreas fault separates which two plates
[{'answer': 'Pacific Plate', 'provenance': [{'wikipedia_id': '64460', 'title': 'San Andreas Fault', 'start_paragraph_id': 1, 'start_character': 139, 'end_paragraph_id': 1, 'end_character': 152, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'North American Plate', 'provenance': [{'wikipedia_id': '64460', 'title': 'San Andreas Fault', 'start_paragraph_id': 1, 'start_character': 161, 'end_paragraph_id': 1, 'end_character': 181, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '64460', 'title': 'San Andreas Fault', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 403, 'bleu_score': 0.7841111507645541, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 9037391073988393169}, 'section': 'Section::::Abstract.'}]}]