Question: by 1776 how many english colonies had been established along the atlantic coast
[{'answer': 'Thirteen', 'provenance': [{'wikipedia_id': '34681', 'title': 'Thirteen Colonies', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 8, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '34681', 'title': 'Thirteen Colonies', 'start_paragraph_id': 1, 'start_character': 34, 'end_paragraph_id': 1, 'end_character': 552, 'bleu_score': 0.725643089913783, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 13491590970866052794}, 'section': 'Section::::Abstract.'}]}]