Question: what is the origin of the word eureka
[{'answer': 'Ancient Greek', 'provenance': [{'wikipedia_id': '2862755', 'title': 'Eureka (word)', 'start_paragraph_id': 1, 'start_character': 129, 'end_paragraph_id': 1, 'end_character': 142, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '2862755', 'title': 'Eureka (word)', 'start_paragraph_id': 3, 'start_character': 0, 'end_paragraph_id': 3, 'end_character': 296, 'bleu_score': 0.799009078148161, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 10844604174563170689}, 'section': 'Section::::Etymology.\n'}]}]