Question: when is teacher's day celebrated in nigeria
[{'answer': '5 October', 'provenance': [{'wikipedia_id': '625514', 'title': "List of Teachers' Days", 'start_paragraph_id': 3, 'start_character': 80, 'end_paragraph_id': 3, 'end_character': 89, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]