Question: what is the wavy symbol on the keyboard
[{'answer': 'tilde', 'provenance': [{'wikipedia_id': '212390', 'title': 'Tilde', 'start_paragraph_id': 1, 'start_character': 4, 'end_paragraph_id': 1, 'end_character': 9, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '212390', 'title': 'Tilde', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 215, 'bleu_score': 0.8549644769692291, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 5957849764834270433}, 'section': 'Section::::Abstract.'}]}]