Question:  Royal Air Force Valley provides fast-jet training using an advanced trainer aircraft first flown in what year?
Sentence (from "Royal Air Force Music Services"): Based at RAF Northolt (previously at RAF Uxbridge) and RAF Cranwell, it forms the central administration of one hundred and seventy musicians divided between the Central Band of the Royal Air Force, The Band of the Royal Air Force College, The Band of the Royal Air Force Regiment and Headquarters Music Services.
Relevant evidence: No