Question: what two streets in san francisco became the headquarters for the hippie movement
[{'answer': 'Haight and Ashbury streets', 'provenance': [{'wikipedia_id': '401349', 'title': 'Haight-Ashbury', 'start_paragraph_id': 1, 'start_character': 89, 'end_paragraph_id': 1, 'end_character': 115, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '401349', 'title': 'Haight-Ashbury', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 243, 'bleu_score': 0.79609510089972, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 2167499838560081681}, 'section': 'Section::::Abstract.'}]}]