question: What US state is the KeyArena located in where the Ultimate Fighting Championship holds events?
answer: Washington
context: Title: UFC 3
  Passage: The Ultimate Fighting Championship III (later renamed UFC 3: The American Dream) was a mixed martial arts (MMA) event held by the Ultimate Fighting Championship (UFC) on September 9, 1994, at Grady Cole Center in Charlotte, North Carolina.  The event was seen live on pay-per-view in the United States, and was later released on home video.
  Title: Harold Howard
  Passage: Harold Clarence Howard (born 1958) is a retired Canadian martial artist who earned a blackbelt in jujutsu under Steve Reynolds and in Gōjū-ryū karate under Yogi Israel and was the first World Sport Jujutsu Heavyweight Champion in 1984.  Howard is more widely known for competing in the Ultimate Fighting Championship where he made it to the final of the Ultimate Fighting Championship's third tournament.  Howard is also well known for once executing a scissor-flip kick during his battle with Steve Jennum in the UFC 3 finals.
  Title: UFC on Fox: Henderson vs. Diaz
  Passage: UFC on Fox: Henderson vs. Diaz (also known as UFC on Fox 5) is a mixed martial arts event that was held by the Ultimate Fighting Championship on December 8, 2012, at KeyArena in Seattle, Washington.  It was broadcast live on Fox Sports.
  Title: KeyArena
  Passage: KeyArena (formerly Washington State Pavilion, Washington State Coliseum and Seattle Center Coliseum) is a multi-purpose arena in Seattle.  It is located north of downtown in the 74 acre entertainment complex known as Seattle Center, the site of the 1962 World's Fair, the Century 21 Exposition.  It is used for entertainment purposes, such as concerts, ice shows, circuses, and sporting events.
citations: UFC on Fox: Henderson vs. Diaz KeyArena