Question: what form of protest was effective against the stamp act
[{'answer': 'street protests', 'provenance': [{'wikipedia_id': '159114', 'title': 'Stamp Act 1765', 'start_paragraph_id': 38, 'start_character': 6, 'end_paragraph_id': 38, 'end_character': 21, 'bleu_score': 1.0, 'section': 'Section::::Colonial reaction.:Protests in the streets.:Massachusetts.\n'}]}, {'provenance': [{'wikipedia_id': '159114', 'title': 'Stamp Act 1765', 'start_paragraph_id': 38, 'start_character': 0, 'end_paragraph_id': 38, 'end_character': 709, 'bleu_score': 0.9322936101824931, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 14848304220770646553}, 'section': 'Section::::Colonial reaction.:Protests in the streets.:Massachusetts.\n'}]}]