Question: what year did the civil rights act add jury trials to title vii
[{'answer': 'in the 1960s', 'provenance': [{'wikipedia_id': '1507138', 'title': 'Civil Rights Act of 1991', 'start_paragraph_id': 4, 'start_character': 764, 'end_paragraph_id': 4, 'end_character': 776, 'bleu_score': 1.0, 'section': 'Section::::Predecessors.\n'}]}, {'provenance': [{'wikipedia_id': '1507138', 'title': 'Civil Rights Act of 1991', 'start_paragraph_id': 4, 'start_character': 0, 'end_paragraph_id': 4, 'end_character': 1097, 'bleu_score': 0.988795076120877, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 10461357892830198233}, 'section': 'Section::::Predecessors.\n'}]}]