Question: The 1977–78 season was Manchester United's 76th season in the Football League, and their third consecutive season in the top division of English football, it was their first season under the management of which English football manager and player? 
Sentence (from "1977–78 Manchester United F.C. season"): As FA Cup holders they contested the Charity Shield and were joint holders with league champions Liverpool, but failed to make an impact in Europe or on either of the domestic cups and finished only 10th in the league.
Relevant evidence: No