Question: Akira Corassani competed as a featherweight in the mixed martial arts association based in what city?

Context paragraphs:
Akira Corassani: Hamid Khorassani (Persian: حمید خراسانی‎ ‎ ; born August 27, 1982), professionally known as Akira Corassani, is a retired Swedish mixed martial artist who most recently competed as a Featherweight in the Ultimate Fighting Championship.  A professional MMA competitor since 2007, Corassani has made a name for himself fighting mainly in Western Europe.  He was a competitor on Spike TV's as a member of Team Bisping.

The Pit (mixed martial arts): The Pit is a professional mixed martial arts association and training camp that operates in Arroyo Grande, California; with a branch in Henderson, Nevada, and affiliate schools throughout the United States.  Founded in 1986 by John Hackleman, its fighters have competed in various promotions such as the UFC, WEC, DREAM and many others.  The Pit became world famous when Pit black belt Chuck Liddell became the UFC light-heavyweight champion.

Ultimate Fighting Championship: The Ultimate Fighting Championship (UFC) is an American mixed martial arts organization based in Las Vegas, Nevada, that is owned and operated by parent company WME–IMG.  It is the largest MMA promotion in the world and features the top-ranked fighters of the sport.  Based in the United States, the UFC produces events worldwide that showcase eleven weight divisions and abide by the Unified Rules of Mixed Martial Arts.  As of 2017, the UFC has held over 400 events.  Dana White serves as the president of the UFC.  He has held that position since 2001; while under the leadership of Dana White the UFC has grown into a globally popular multibillion-dollar enterprise.

Tamotsu Miyahira: Tamotsu Miyahira (宮平 保 , Miyahira Tamotsu , born March 25, 1964) is a Japanese practitioner of Chinese martial arts.  He is the Head Teacher of the Tian Xing Jian Chinese Martial Arts Association, and has been teaching Chinese martial arts in Okinawa, the birthplace of karate, since 1990.  He has taught Chinese martial arts to teachers of a variety of different martial arts (including karate, iai, and full contact karate) from all over Japan as well as overseas.

José Aldo: José Aldo da Silva Oliveira Junior (] ; born September 9, 1986) is a Brazilian mixed martial artist in the Ultimate Fighting Championship.  He was the fourth and final WEC Featherweight Champion and thus, became the first UFC Featherweight Champion during the UFC/WEC merger.  He is a former two-time UFC Featherweight Champion.  He was named Sherdog's 2009 Fighter of the Year.  He is currently #12 in official UFC pound-for-pound rankings, having been ranked as high as #1 in 2015, and ranked the #2 featherweight in the world and #7 pound-for-pound by Sherdog.  In the decade from November 2005 through December 2015, Aldo was undefeated in 18 fights.  In Sherdog's April 2017 Pound-For-Pound ranking, Aldo was called "the greatest featherweight in mixed martial arts history."

W.A.K.O. European Championships 1977: W.A.K.O. European Championships 1977 were the first ever W.A.K.O. European kickboxing championships introduced by the pioneer of German Karate Georg Bruckner and the first ever event hosted by the W.A.K.O. organization – then known as the W.M.A.A. (World of Mixed Martial Arts Association) who itself had only just recently been founded in 1976.  There had actually been an amateur kickboxing European championships held a year previously but this event was not officially recognized by any federation.  The W.A.K.O. championships were open to amateur men based in Europe only and all bouts were fought under Full-Contact kickboxing rules, with each country allowed more than one competitor in each weight category.  By the end of the championships the Netherlands were the most successful nation, with West Germany second, and Norway a distant third - more detail on the winners and medal tables can be found in the sections below.  The event was held in 1977 in Vienna, Austria.

Hee Il Cho: Cho Hee Il (born October 13, 1940) is a prominent Korean-American master of taekwondo, holding the rank of 9th "dan" in the martial art.  He has written 11 martial art books, produced 70 martial art training videos, and has appeared on more than 70 martial arts magazine covers.  Cho won several national and international competitions as a taekwondo competitor, and has appeared in several films, including "Fight to Win", "Best of the Best", "Bloodsport II", and "Bloodsport III".  He founded the Action International Martial Arts Association (AIMAA) in 1980, and is its President.  Cho is a member of both "Black Belt" magazine's Hall of Fame and "Tae Kwon Do Times" magazine's Hall of Fame.

ZenQuest Martial Arts Center: ZenQuest Martial Arts Center, formerly called the Okinawan Karate School, is a martial arts school located in Lenox, Massachusetts.  The oldest martial arts school in Berkshire County, it was founded in 1972 as a dojo for Uechi-ryu karate.  The school since expanded to include other martial arts, and currently provides instruction in Shohei-ryu karate (a spin-off of Uechi-ryu), Brazilian jiu-jitsu, mixed martial arts, Muay Thai, boxing, wrestling, kobudo, and self-defense, and is the fastest growing martial arts community in Berkshire County.  The school also contains a store which provides equipment, gear, and instructional media.  It is affiliated with the Okinawan Karatedo Association, Demian Maia Jiu-Jitsu Association, and Team Sityodtong Boston, and is accredited by the North American Grappling Association.  ZenQuest has received significant coverage by regional and local media in Berkshire County, including "The Berkshire Eagle", "Berkshires' Best Buys, Business, and Beyond", and Pittsfield Cable Television, for its regular youth tournaments and seminars with high-ranking officials from the school's parent organizations.

Mixed Martial Arts Pakistan: Mixed Martial Arts Pakistan (or PAK MMA) is the premiere mixed martial arts (MMA) and martial arts promotion based in Pakistan that was created in December 2007 by Bashir Ahmad to promote martial arts (and martial sports such as boxing and wrestling) styles in Pakistan with a particular focus on mixed martial arts competition.

Full Contact Championship: Full Contact Championship (FCC) is India's longest running professional mixed martial arts fight network.  Founded in 2009, under the banner of Full Contact Entertainment Pvt. Ltd, FCC is India's first pro MMA organization.  FCC has been sanctioned by Mixed Martial Arts Association of India and has followed the usual "Fight Night" format.  It is one of the MMA organisations, formed to promote the sport of MMA in India and globally.  Till date, FCC has had 13 fight nights; the most recent one being held at Indore on 9 July 2016 by the name of FCC-13.

Supporting paragraphs: Akira Corassani Ultimate Fighting Championship
Answer: Las Vegas