Question: when was the immigration reform and control act passed
[{'answer': 'November 6 , 1986', 'provenance': [{'wikipedia_id': '932462', 'title': 'Immigration Reform and Control Act of 1986', 'start_paragraph_id': 1, 'start_character': 169, 'end_paragraph_id': 1, 'end_character': 186, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]