Question: when did free primary education start in kenya
[{'answer': '1963', 'provenance': [{'wikipedia_id': '2805394', 'title': 'Education in Kenya', 'start_paragraph_id': 33, 'start_character': 215, 'end_paragraph_id': 33, 'end_character': 219, 'bleu_score': 1.0, 'section': 'Section::::History.\n'}]}, {'provenance': [{'wikipedia_id': '2805394', 'title': 'Education in Kenya', 'start_paragraph_id': 60, 'start_character': 0, 'end_paragraph_id': 60, 'end_character': 236, 'bleu_score': 0.9419661180380051, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 4742069078310791798}, 'section': 'Section::::History.:Pre and post colonial education Systems.\n'}]}]