Question: Where is the wrestling magazine headquartered that, in 2012 featured Del Rey on its list of top 500 wrestlers in the world?

full_context: Document 1: Amy Vitale: Amy M. Vitale (born June 12, 1977) is an American model, actress, and professional wrestling valet, best known under her nickname "The Italian Princess of Wrestling". She works for such promotions as the Sunshine Wrestling Federation, Future of Wrestling, Full Impact Pro, Florida Championship Wrestling, the Independent Professional Wrestling Association and NWA New York. She has managed a number of professional wrestlers on the Florida independent circuit including Francisco Ciatso, Jerry Lynn, New Jack, Alex Porteau and The Heartbreak Express. Vitale has been profiled in "Pro Wrestling Illustrated" and "Wrestling World Magazine" on several occasions, as well as "Fighting Females Magazine"; she has been voted as "Florida Woman of the Year" three years in a row, and "Pro Wrestling Manager of the Year" two years in a row.
Document 2: Public Eye Magazine: The Public Eye Magazine is published by Political Research Associates in Somerville, Massachusetts. The Magazine was founded in 1977 by the Public Eye Network. It currently contains investigative articles about "movements, institutions, and ideologies that undermine human rights." Its primary focus is on right-wing groups in the United States.
Document 3: Sara Del Rey: Sara Amato (born November 13, 1980) is an American professional wrestling trainer and retired professional wrestler best known by her ring name Sara Del Rey. She was a mainstay for Chikara and Shimmer, but also appeared for many other independent promotions in the United States, including Ring of Honor (ROH), IWA Mid-South and All Pro Wrestling, as well as Mexico's Lucha Libre Femenil. Del Rey also taped several matches, competing under a mask and using the name Nic Grimes, for the MTV promotion Wrestling Society X. Del Rey was the inaugural Shimmer Champion and co-holder of the Shimmer Tag Team Championship with Courtney Rush, making her the promotion's first double champion. In 2012, Del Rey became only the fourth woman to make it to Pro Wrestling Illustrated's list of top 500 wrestlers in the world. She is currently employed by World Wrestling Entertainment (WWE) as the Assistant Head Coach and producer of their developmental territory NXT, based at the WWE Performance Center.
Document 4: Pro Wrestling Illustrated: Pro Wrestling Illustrated ("PWI") is an American produced, internationally sold professional wrestling magazine that was founded in 1972. "PWI" is headquartered in Blue Bell, Pennsylvania and published by Kappa Publishing Group. The magazine is the longest currently published English language wrestling magazine. The "PWI" publishes monthly issues and annual special issues such as their "Almanac and Book of Facts".
Document 5: List of professional wrestling magazines: This is a list of professional wrestling magazines. They are published either in print or online and range from official magazines of professional wrestling promotions to "dirt sheets", which cover more insider information and sometimes rumors. Some of the more notable magazines include "Pro Wrestling Illustrated", "Fighting Spirit Magazine", "Wrestling Observer Newsletter", "Power Slam", "WWE Magazine", "Pro Wrestling Torch", and "The Bagpipe Report".
Document 6: Joe DeMeo: Joe DeMeo is an American wrestling coach. He was the head coach of several United States world teams. He coached Olympic champion Dave Schultz. He currently resides in Niskyuana coaching his club ATWA with the help of his assistant coach, Eliah Golding.
Document 7: Princeton Alumni Weekly: The Princeton Alumni Weekly (PAW) is a magazine published for the alumni of Princeton University. It was founded in 1900 and, until 1977, it was the only weekly college alumni magazine in the United States. Upon changing to biweekly publication in 1977, the number of issues per year decreased from twenty-eight to twenty-one, and then later decreased to seventeen. It still remains the most frequently published alumni magazine in the world, currently publishing 14 times per year.
Document 8: PEI Journal: The PEI Journal is the official quarterly journal for members of the Petroleum Equipment Institute, a trade organization for the petroleum handling industry. Published quarterly by Data Key Communications, a contract publisher of trade magazines, the magazine provides information to help distributors and suppliers in the petroleum equipment industry make money and/or save money in their businesses. It is based in Tulsa, Oklahoma.
Document 9: Sara McMann: Sara McMann (born September 24, 1980) is an American mixed martial artist and former Olympic wrestler. She is the first American woman in history to receive a silver medal in Olympic wrestling, which she won at the 2004 Summer Olympics in Athens, Greece. She wrestled in the Women's Freestyle 63 kg or 138.75 lb weight class. McMann won silver medal in the 2003 world championships and a bronze medal in the 2005 and 2007 world championships. She started wrestling at the age of 14 in Marion, North Carolina at McDowell High School.
Document 10: Cheerleader Melissa: Melissa Anderson (born August 17, 1982) is an American professional wrestler, better known by her ring name Cheerleader Melissa. She is best known for her work in Total Nonstop Action Wrestling, where she worked as Alissa Flash and Raisha Saeed. She is currently performing on the independent circuit for promotions such as Pro Wrestling Revolution and Shimmer Women Athletes, where she is a former two-time Shimmer Champion. In 2013, Anderson was ranked #1 in "Pro Wrestling Illustrated"'s annual Top 50 Females list.
Document 11: Lita (wrestler): Amy Dumas ( ; born April 14, 1975), better known as Lita, is an American retired professional wrestler, and singer most recently signed with WWE as an analyst. She performed as a wrestler with WWE from 2000 to 2006, and has since made part-time appearances with the company. She was inducted into the WWE Hall of Fame in 2014. She's the color commentator alongside Jim Ross for the Mae Young Classic.
Document 12: Mercedes Martinez: Mercedes Martinez (born November 17, 1980) is an American professional wrestler, currently performing for Shimmer Women Athletes, as well as numerous independent promotions including World Xtreme Wrestling, Full Impact Pro, and Women Superstars Uncensored. She is the current and three-time WSU Champion, the current two-time Shimmer Champion., WXW Women's champion, nCw Female Champion, and one half of the current Shine Tag Team Champions.
Document 13: Sports Illustrated: Sports Illustrated is an American sports media franchise owned by Time Inc. Its self-titled magazine has over 3 million subscribers and is read by 23 million people each week, including over 18 million men. It was the first magazine with circulation over one million to win the National Magazine Award for General Excellence twice. Its swimsuit issue, which has been published since 1964, is now an annual publishing event that generates its own television shows, videos and calendars.
Document 14: Tammy Lynn Sytch: Tamara Lynn Sytch (born December 7, 1972) is an American professional wrestling manager, personality, occasional wrestler and pornographic actress. She achieved her greatest success under the ring name Sunny within the World Wrestling Federation during the 1990s, and is considered the first Diva. She was inducted into the WWE Hall of Fame in 2011. She also performed under her real name in Extreme Championship Wrestling, World Championship Wrestling and Ring of Honor.
Document 15: Site Selection: The award-winning Site Selection magazine, published by Conway Data, Inc., is the official publication of the Industrial Asset Management Council (IAMC). The magazine delivers expansion planning information to over 44,000 readers including corporate executives, site selection consultants, and real estate professionals. "Site Selection" is available in a bimonthly print magazine, or on their web site. The magazine is headquartered in Norcross, Georgia.
ground_truth: Blue Bell, Pennsylvania