Question: the flukes of a reed and prince screwdriver are at what angle
[{'answer': '45 °', 'provenance': [{'wikipedia_id': '194603', 'title': 'Screwdriver', 'start_paragraph_id': 27, 'start_character': 180, 'end_paragraph_id': 27, 'end_character': 190, 'bleu_score': 1.0, 'section': 'Section::::Drive tip.:Drive types.\n'}]}, {'provenance': [{'wikipedia_id': '194603', 'title': 'Screwdriver', 'start_paragraph_id': 27, 'start_character': 0, 'end_paragraph_id': 27, 'end_character': 350, 'bleu_score': 0.9297257490286691, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 316536788161785656}, 'section': 'Section::::Drive tip.:Drive types.\n'}]}]