Question: when did frontier take over verizon in california
[{'answer': 'July 1 , 2010', 'provenance': [{'wikipedia_id': '4827841', 'title': 'Frontier Communications', 'start_paragraph_id': 34, 'start_character': 610, 'end_paragraph_id': 34, 'end_character': 623, 'bleu_score': 1.0, 'section': 'Section::::History.:Purchase of Verizon lines.\n'}]}, {'provenance': [{'wikipedia_id': '4827841', 'title': 'Frontier Communications', 'start_paragraph_id': 34, 'start_character': 557, 'end_paragraph_id': 34, 'end_character': 925, 'bleu_score': 0.7673485541938241, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 950158385211451974}, 'section': 'Section::::History.:Purchase of Verizon lines.\n'}]}]