Question: who is the current defence against the dark arts teacher
[{'answer': 'Amycus Carrow', 'provenance': [{'wikipedia_id': '310355', 'title': 'Magic in Harry Potter', 'start_paragraph_id': 80, 'start_character': 916, 'end_paragraph_id': 80, 'end_character': 929, 'bleu_score': 1.0, 'section': 'Section::::Subjects at Hogwarts.:Defence Against the Dark Arts.\n'}]}, {'provenance': [{'wikipedia_id': '310355', 'title': 'Magic in Harry Potter', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 0, 'bleu_score': 1.0, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 6971375772736339641}, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '310355', 'title': 'Magic in Harry Potter', 'start_paragraph_id': 80, 'start_character': 0, 'end_paragraph_id': 80, 'end_character': 1797, 'bleu_score': 0.9931152160837011, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 6971375772736339641}, 'section': 'Section::::Subjects at Hogwarts.:Defence Against the Dark Arts.\n'}]}, {'provenance': [{'wikipedia_id': '310355', 'title': 'Magic in Harry Potter', 'section': 'Section::::Subjects at Hogwarts.:Defence Against the Dark Arts.\n', 'start_paragraph_id': 80, 'end_paragraph_id': 80, 'meta': {'evidence_span': ['The subject has an extraordinarily high turnover of staff membersthroughout the series no Defence Against the Dark Arts teacher has retained the post for more than one school year. Harry is exceptionally skilled in this subject. During the period the story takes place, the class is taught by Quirinus Quirrell (book one), Gilderoy Lockhart (book two), Remus Lupin (book three), Bartemius Crouch Jr impersonating Alastor "Mad-eye" Moody (book four), Dolores Umbridge (book five), Severus Snape (book six), and Amycus Carrow (book seven).', 'During the period the story takes place, the class is taught by Quirinus Quirrell (book one), Gilderoy Lockhart (book two), Remus Lupin (book three), Bartemius Crouch Jr impersonating Alastor "Mad-eye" Moody (book four), Dolores Umbridge (book five), Severus Snape (book six), and Amycus Carrow (book seven).', 'During the period the story takes place, the class is taught by Quirinus Quirrell (book one), Gilderoy Lockhart (book two), Remus Lupin (book three), Bartemius Crouch Jr impersonating Alastor "Mad-eye" Moody (book four), Dolores Umbridge (book five), Severus Snape (book six), and Amycus Carrow (book seven).']}}]}]