Question: Outside The Nine is the official fan club of a metal band from what state?

Context paragraphs:
Chennaiyin FC Fans: The Chennaiyin FC Fans are the official fan club of the Indian Super League team, Chennaiyin FC.  They are referred to as the "Supermachans".  They are one of the biggest football fan clubs in Tamil Nadu and are known for promoting football culture in the state.  The name "Supermachans" was coined by the co-owner of Chennaiyin FC, Abhishek Bachchan.

Remix Album 98: Remix Album '98 was a compilation album released by the singer Alexia in 1998 in Poland.  The album contained remixes of the four official singles from Alexia's debut album Fan Club along with the new track It's Christmas Time (a re-recorded version of Hold On with new lyrics) that had been released on the Christmas edition of Fan Club, two album tracks from Fan Club and a remix of Virtual Reality that was from a single release Alexia was credited to.

Bells of Doom (album): Bells of Doom is a compilation album of Swedish Symphonic metal band Therion, released by the official fan club (now called Therion Society) in 2001.  The album was originally available for Therion Society members only but is now available to anyone in Therion's Official online store.  It contains rare tracks from early recordings of the band.  The first two tracks come from the very first of the band's live shows when they were still called Blitzkrieg, the remaining from various Therion demos and unreleased recordings.  The album is limited in numbers and will not be reprinted once it has sold out.

D23 (Disney): D23 (full name D23: The Official Disney Fan Club) is the official fan club for The Walt Disney Company.  Founded in 2009, the organization is known mainly for its biennial exposition event, the D23 Expo.  The name "D23" refers to "D" for "Disney" and "23" for "1923"—the year Walt Disney founded the company.

Männer haben kein Gehirn: Männer haben kein Gehirn (Men don't have Brains) is a promotional audiobook by German punk rock band Die Ärzte.  It is a sampler of the 2001 "Lese-Tour" ("reading tour") "Die Ärzte - Hören, Sehen, Sagen ... Nicht!  - Die Lesetour" featuring Markus Karg, the author of the official biography "Ein überdimensionales Meerschwein frisst die Erde auf".  The original promo CD was only released for official fan club members, however, the audio files can still be downloaded from the band's official homepage.

MFF Support: MFF Support is the official fan club for Swedish football club Malmö FF.  Founded on November 1, 1992, it has 2,195 members as of January 2014.  Based on the number of members it is one of largest fan clubs in Sweden.  Since the founding of the fan club in the early 1990s the number of members has been rising until recently after the 2005 season.  The current chairman is Thelma Ernst who has had the post since February 2017.

Slipknot (band): Slipknot is an American heavy metal band from Des Moines, Iowa.  The band was founded in September 1995 by percussionist Shawn Crahan and drummer Joey Jordison.  After several lineup changes in its early years, the band settled on nine members for more than a decade: Corey Taylor, Mick Thomson, Jim Root, Paul Gray, Craig Jones, Sid Wilson, Shawn Crahan, Chris Fehn and Joey Jordison.  Gray died on May 24, 2010, and was replaced from 2011–2014 by former guitarist Donnie Steele.  Jordison left the band on December 12, 2013.  Steele left during the recording sessions for "".  The band found replacements in Alessandro Venturella on bass and Jay Weinberg on drums.  After the departure of Jordison, as of December 2015 the only founding member in the current lineup is percussionist Crahan; the other remaining members of Slipknot have been members since the release of the band's 1999 eponymous debut album.

Anagennisi Arta F.C.: Anagennisi Artas is a Greek football club, based in Arta,in the North-West part of Greece.  The emblem of the team depicts the historical bridge of Arta.  The club was established in 1960 from the union between local Arta clubs Panamvrakikos (1928), Aetos (1948)and Olympiacos (1957).  The colours of the club are Black-White.  The fans were never under a strong organization.  They used to form various groups like "black cannibals" or black knights" but nothing official.  There is no official fan club.  The club has nurtured many great football players in the past such as Antonis Nikopolidis, Giorgos Vaitsis, Sotiris Balafas, Michalis Kapsis, Vaggelis Kaounos and others.  Arta fans have a brotherhood with Palermo fans.  For the 2015/2016 season, Anagennisi play in the first league of Arta Perfecture

Outside the Nine: Outside The Nine is the official fan club of American metal band Slipknot, and was launched in 2005.  The fan club is an online community which offers members an array of privileges at an annual subscription fee.

The Official International Queen Fan Club: The Official International Queen Fan Club is the official fan club for the rock band Queen.  Based in London, it was officially founded in February 1974 by Pat and Sue Johnstone after the release of the band's first album.  At one stage, the worldwide membership of the club reached 20,000 people.  Magazines are put out quarterly, contain information on the band, offer band merchandise, and feature a letter to the club members by one band member.  In the late 1980s, the club started to put on annual conventions at different venues in England and these get-togethers are still continuing to this day, with the 32nd Queen Convention taking place in October 2017 at Haven Golden Sands Holiday Park, Mabelthorpe.

Supporting paragraphs: Outside the Nine Slipknot (band)
Answer: Iowa