Question: what causes earthquakes in the san andreas fault
[{'answer': 'plate movement', 'provenance': [{'wikipedia_id': '64460', 'title': 'San Andreas Fault', 'start_paragraph_id': 33, 'start_character': 654, 'end_paragraph_id': 33, 'end_character': 668, 'bleu_score': 1.0, 'section': 'Section::::Study.:Cascadia connection.\n'}]}, {'provenance': [{'wikipedia_id': '64460', 'title': 'San Andreas Fault', 'start_paragraph_id': 33, 'start_character': 0, 'end_paragraph_id': 33, 'end_character': 767, 'bleu_score': 0.984188478234951, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 16826992863046211059}, 'section': 'Section::::Study.:Cascadia connection.\n'}]}]