Question: During what season of Europe's secondary club football tournament was the  2017 UEFA Europa League Final, where Manchester United finished in sixth place?
Sentence (from "2017 UEFA Europa League Final"): The 2017 UEFA Europa League Final was the final match of the 2016–17 UEFA Europa League, the 46th season of Europe's secondary club football tournament organised by UEFA, and the 8th season since it was renamed from the UEFA Cup to the UEFA Europa League.
Relevant evidence: Yes