Question: The 2017–18 season is Middlesbrough's first season back in the Championship, making an immediate return to the division following relegation from the Premier League the 2016–17 Premier League was the 25th season of the Premier League, the top English professional league for association football clubs, since its establishment, in which year?
Sentence (from "2016–17 Premier League"): The season began on 13 August 2016 and concluded on 21 May 2017.
Relevant evidence: No