Table:
text: 1976–77 Huddersfield Town F.C. season
Appearances and goals
Appearances and goals
Name_ Position_ League_Apps League_Goals FA_Cup_Apps FA_Cup_Goals League_Cup_Apps League_Cup_Goals Total_Apps Total_Goals
Lloyd Maitland MF 10 (2) 0 2 0 4 0 16 (2) 0
Jim McCaffrey MF 14 (1) 0 0 0 0 0 14 (1) 0
Bob Newton FW 15 (2) 2 2 0 3 (1) 3 20 (3) 5
Peter Oliver DF 41 1 2 0 4 0 47 1
Terry Poole GK 24 0 2 0 4 0 30 0
Arnie Sidebottom DF 18 (5) 2 2 1 0 (2) 0 20 (7) 3
Steve Smith MF 44 3 2 0 4 0 50 3
Alan Starling GK 13 0 0 0 0 0 13 0
Alan Sweeney DF 21 0 1 0 0 0 22 0

Question: What FA Cup apps have league apps of 21 in Huddersfield Town FC 1976–77 season?