Question: when did alabama became a right to work state
[{'answer': 'adopted 1953 , Constitution 2016'}, {'provenance': [{'wikipedia_id': '392198', 'title': 'Right-to-work law', 'start_paragraph_id': 57, 'start_character': 0, 'end_paragraph_id': 57, 'end_character': 52, 'bleu_score': 0.6147881529512641, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 9666931978694872277}, 'section': 'Section::::U.S. states with right-to-work laws.\n'}]}]