Question: who is ji sung park?
Answer: Park Ji-sung (Korean: 박지성; Hanja: 朴智星; Korean pronunciation: [pak̚.t͈ɕi.sʌŋ]; born 25 February 1981) is a South Korean former professional footballer who played as a midfielder. ... In his time at United, Park won the Premier League four times and also won the 2007–08 UEFA Champions League and the 2008 FIFA Club World Cup.