Question: what is the origin of the name illinois
[{'answer': 'Illinois Territory', 'provenance': [{'wikipedia_id': '14849', 'title': 'Illinois', 'start_paragraph_id': 18, 'start_character': 75, 'end_paragraph_id': 18, 'end_character': 93, 'bleu_score': 1.0, 'section': 'Section::::History.:19th century.:Prior to statehood.\n'}]}, {'provenance': [{'wikipedia_id': '14849', 'title': 'Illinois', 'start_paragraph_id': 18, 'start_character': 0, 'end_paragraph_id': 18, 'end_character': 184, 'bleu_score': 0.934334813046729, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 15590491730043364481}, 'section': 'Section::::History.:19th century.:Prior to statehood.\n'}]}]