Question: what is the date of the queen's birthday
[{'answer': '21 April', 'provenance': [{'wikipedia_id': '682330', 'title': "Queen's Official Birthday", 'start_paragraph_id': 22, 'start_character': 423, 'end_paragraph_id': 22, 'end_character': 431, 'bleu_score': 1.0, 'section': 'Section::::Other countries and territories.\n'}]}, {'provenance': [{'wikipedia_id': '682330', 'title': "Queen's Official Birthday", 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 792, 'bleu_score': 0.8148141050249961, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 4160227692107212220}, 'section': 'Section::::Abstract.'}]}]