question: King of the Ring had a match and the one who defeated The Rock was which American WWE professional wrestler born on March 24, 1965? 
answer: The Undertaker
context: Title: King of the Ring (1999)
  Passage: King of the Ring (1999) was the seventh annual King of the Ring professional wrestling pay-per-view event produced by the World Wrestling Federation (WWF).  It was presented by Super Soaker and took place on June 27, 1999, at the Greensboro Coliseum in Greensboro, North Carolina.  The main show included ten matches in total with several matches preceding the Pay Per View (PPV) portion of the show, broadcast on live television as part of the WWF's Sunday Night Heat show.  The main event was a Ladder match featuring Shane McMahon and Vince McMahon defeating Stone Cold Steve Austin for the control of the WWF.  The other main match was a WWF Championship match where The Undertaker defeated The Rock to retain the title.  Additional featured matches on the undercard included the KOTR tournament final between Billy Gunn and X-Pac, which Billy Gunn won to win the overall tournament and a Tag team match between The Hardy Boyz (Matt and Jeff) defeating The Brood (Edge and Christian).
  Title: Biff Wellington
  Passage: Shayne Alexander Bower (April 18, 1965 – June 24, 2007), better known by his ring name Biff Wellington, was a Canadian professional wrestler born, raised, and died in Calgary, Alberta.
  Title: Bob Orton Jr.
  Passage: Robert Keith Orton Jr. (born November 10, 1950), better known by the ring name "Cowboy" Bob Orton, is an American professional wrestler.  He is the son of professional wrestler Bob Orton Sr., the brother of professional wrestler Barry Orton, and the father of professional wrestler Randy Orton.  He is best known for his time in the WWF (World Wrestling Federation, now WWE).  He has also wrestled for several promotions in the United States, Japan, and other countries.
  Title: King of the Ring (2010)
  Passage: The 2010 King of the Ring was a special edition of "Raw".  that aired on November 29, 2010, at the Wells Fargo Center in Philadelphia, Pennsylvania.  The program featured the nineteenth King of the Ring tournament and first since 2008.  Sheamus defeated John Morrison in the finals of the tournament to become King of the Ring.  Unlike the previous tournament that featured wrestlers from the "Raw," "SmackDown" and "ECW" brands, the 2010 version of the tournament only featured wrestlers from "Raw" and "SmackDown" (following the closure of the ECW brand in February 2010).  The last King of the Ring tournament which only featured wrestlers from both "Raw" and "SmackDown" was held in 2002 (following the WWE Brand Extension the previous month, but before the ECW brand was introduced as a third brand in 2006).  Despite the event being mainly focused on the King of the Ring concept, the main event featured Jerry Lawler (who was celebrating his birthday that day) facing the new WWE Champion The Miz for the WWE Championship in a Tables, Ladders and Chairs match which marked Lawler's first WWE Championship match.  Lawler lost due to distractions from Alex Riley and Michael Cole.  CM Punk was joined in commentary on the show.
  Title: Emile Duprée
  Passage: Emile Duprée (born Emile Goguen on October 20, 1936) is a former professional wrestler and promoter.  He is also the father of former WWE professional wrestler, René Duprée and currently lives in Pointe-du-Chêne, New Brunswick.
  Title: The Undertaker
  Passage: Mark William Calaway (born March 24, 1965), better known by his ring name The Undertaker, is an American professional wrestler signed to WWE.
citations: King of the Ring (1999) The Undertaker