Question: which city is on the east side of san francisco bay
[{'answer': 'Oakland', 'provenance': [{'wikipedia_id': '1307148', 'title': 'East Bay', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 7, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '1307148', 'title': 'East Bay', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 355, 'bleu_score': 0.8665588235218421, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 8107850043426920200}, 'section': 'Section::::Abstract.'}]}]