Question: What is the team, for which David Hillier earnt 1 cap, considered to be for the England national football team?

Related documents: [0]  [DOC] David Hillier (born 18 December 1969) is an English former professional footballer. He played as a midfielder from 1988 until 2003, notably in the Premier League for Arsenal. He also played in the Football League for Portsmouth, Bristol Rovers and Barnet. He also earnt 1 cap for the England U21 side. [END] 
[1]  [DOC] England's national Under-21 football team, also known as England Under-21s or England U21(s), is considered to be the feeder team for the England national football team. [END]  
Answer: the feeder team
the feeder team