Question: when was part c of eahca passed into law
[{'answer': '1975', 'provenance': [{'wikipedia_id': '4366212', 'title': 'Education for All Handicapped Children Act', 'start_paragraph_id': 1, 'start_character': 175, 'end_paragraph_id': 1, 'end_character': 179, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '4366212', 'title': 'Education for All Handicapped Children Act', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 657, 'bleu_score': 0.9579655027162681, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 3661352509976885796}, 'section': 'Section::::Abstract.'}]}]