Question: when was calibri font made available for use
[{'answer': '2007', 'provenance': [{'wikipedia_id': '2338153', 'title': 'Calibri', 'start_paragraph_id': 1, 'start_character': 123, 'end_paragraph_id': 1, 'end_character': 127, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '2338153', 'title': 'Calibri', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 410, 'bleu_score': 0.817212453977023, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 15835498126184265393}, 'section': 'Section::::Abstract.'}]}]