Question: when did congress expand the voting rights act to cover language minorities
[{'answer': '1975', 'provenance': [{'wikipedia_id': '42533070', 'title': 'Amendments to the Voting Rights Act of 1965', 'start_paragraph_id': 1, 'start_character': 76, 'end_paragraph_id': 1, 'end_character': 80, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '42533070', 'title': 'Amendments to the Voting Rights Act of 1965', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 1132, 'bleu_score': 0.988200073497952, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 9605841000468147275}, 'section': 'Section::::Abstract.'}]}]