Question: australian passenger train service on the adelaide to darwin route
[{'answer': 'Adelaide -- Darwin railway'}, {'provenance': [{'wikipedia_id': '434314', 'title': 'Adelaide–Darwin railway', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 361, 'bleu_score': 0.9657992495762461, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 759952343980831193}, 'section': 'Section::::Abstract.'}]}]