Question: Ricco Rodriguez competes in a division where the lowest weight allowed is what?

Context paragraphs:
Román González (boxer): Román Alberto González Luna (born June 17, 1987), best known as "Chocolatito" González, is a Nicaraguan professional boxer.  He is the first boxer from Nicaragua to win world titles in four weight classes, having surpassed his mentor, idol, and former three-weight world champion, the late Alexis Argüello.  González is also the first boxer in history to win world titles in all four of the lowest weight classes: minimumweight, light flyweight, flyweight, and super flyweight.

Ricco Rodriguez: Ricco Rodriguez (born August 19, 1977) is an American mixed martial artist currently competing in the Heavyweight division.  A professional competitor since 1999, he has competed for the UFC, PRIDE Fighting Championships,EliteXC, International Fight League, BAMMA, World Extreme Cagefighting, and Bellator.  Ricco is a former UFC Heavyweight Champion, Mundials World Champion and also an ADCC World Champion.  He is also the former King of the Cage Openweight Superfight Champion.

2007 Grand Prix motorcycle racing season: The 2007 Grand Prix motorcycle racing season was the 59th F.I.M Road Racing World Championship season.  The 2007 season was significant as it introduced a new regulation which specifies that competitors in the MotoGP class can use up to 800 cc motorcycles; between 2002 and 2006, competitors had been allowed to use 990 cc motorcycles.  While the 800cc motorcycles have less power than their 990cc counterparts, their ability to brake later and carry more speed through turns due to their lighter weight allowed them to break lap records in pre-season testing.

STAA doubles: STAA doubles or double pups are a long combination vehicle that make up less than 3% of the freight trailer fleet in the US.  Each trailer is 28.5 feet long and 8.5 feet wide.  The doubles are connected via a dolly.  This long combination vehicle is the only combination of trailers allowed nationwide in America.  The axle weight allowed is 20,000 lbs per single axle.

Ron Waterman: Ron Waterman (born November 23, 1965) is an American mixed martial artist, professional wrestler, and celebrity member of the Team Impact motivational group.  He holds notable victories over Valentijn Overeem, Ricco Rodriguez, Kevin Randleman, and Mario Rinaldi.  He was the only WEC Super Heavyweight Champion.

Ransome Victory Plough: Ransome Victory Plough (American spelling "plow") is a type of single-share mouldboard plough commonly used throughout Southern Africa.  Introduced into much of Southern Africa in the mid-1920s via European farmers and missionaries, it was quickly adopted over earlier, heavier models that required multiple spans (teams) of oxen.  The Ransome Victory's relatively light weight allowed it to be pulled by a single span of oxen, allowing more smallholder farmers who owned fewer cattle to utilize the technology.

Heavyweight (MMA): The heavyweight division in mixed martial arts (MMA) generally groups fighters between 206 - .

WEC 16: WEC 16: Clash of the Titans 2 was a mixed martial arts event promoted by World Extreme Cagefighting on August 18, 2005 at the Tachi Palace Hotel & Casino in Lemoore, California.  The main event saw Ron Waterman take on Ricco Rodriguez

Stav Economou: Stavros Economou (Greek: "Σταύρος Οικονόμου", born 7 July 1986) is an English mixed martial artist of Cypriot descent, who fights at heavyweight.  He is known for his rotund figure, strange hairsyles and nickname "Crazy Bear".  He holds wins over Bob Sapp, Linton Vassell and Former UFC Champion Ricco Rodriguez

Pedro Rizzo: Pedro Augusto Rizzo (] ; born May 3, 1974) is a retired Brazilian mixed martial artist, kickboxer and Muay Thai fighter who competed for the UFC, PRIDE, M-1 Global, and Affliction.  Although he never captured the UFC Heavyweight Championship, Rizzo competed for it three times and was regarded as a top contender for many years.  Coming from a Vale Tudo background, Rizzo is regarded as one of the most dangerous strikers in MMA history.  Rizzo holds notable victories over former UFC champions Mark Coleman, Dan Severn, Josh Barnett, Andrei Arlovski, Ricco Rodriguez and Ken Shamrock.

Supporting paragraphs: Ricco Rodriguez Heavyweight (MMA)
Answer: 206