Question: When will the current class of Australian multiple unit cars operated by NSW Trainlink in New South Wales enter service?
{'answer': 'between 2019 and 2022', 'supporting_facts': [['NSW TrainLink Intercity Train Project', 0], ['NSW TrainLink Intercity Train Project', 1], ['NSW TrainLink Intercity Train Project', 2], ['NSW TrainLink V set', 0]]}