Question: Opie and Anthony is an American radio show hosted by Gregg "Opie" Hughes and Anthony Cumia that aired from 1995 to 2014, with comedian Jim Norton serving as co-host from which year?

Context paragraphs:
Jim Norton (comedian): James Joseph Norton Jr. (born July 19, 1968) is an American comedian, radio personality, author, and actor.  He is best known as the former co-host of the "Opie and Anthony" radio show with Gregg "Opie" Hughes and Anthony Cumia from 2001 to 2014.  He is the co-host of "Jim Norton and Sam Roberts" on Sirius XM Satellite Radio which launched in 2016 with Sam Roberts.

Demented World: Demented World was a comedy CD put out by Gregg Hughes and Anthony Cumia that features bits from their Opie and Anthony radio show.  The CD was a compilation of various popular bits that had previously aired on their WAAF show.

Opie with Jim Norton: Opie with Jim Norton is an American radio show hosted by Gregg "Opie" Hughes and Jim Norton that aired from July 2014 to September 2016.  The show was broadcast from New York City and aired weekdays from 7:00 a.m. through 11:00 a.m. on SiriusXM, the subscription-based satellite radio service, airing on Opie Radio, which could be found on XM Channel 103 and Sirius channel 206.  The show was also made available on-demand through the SiriusXM app and Audible.com.

Opie and Anthony: Opie and Anthony is an American radio show hosted by Gregg "Opie" Hughes and Anthony Cumia that aired from 1995 to 2014, with comedian Jim Norton serving as co-host from 2001.  Hughes first met Cumia in 1994 when he held a song parody contest on his night time show at WBAB on Long Island, New York.  The pair hit it off, and decided to become a radio team.

Joseph Jesselli: Joseph Jesselli (born August 1949) is an American guitar maker and luthier currently living and working in East Northport, NY on Long Island.  He has been making guitars since about 1978.  He has been described as the “Stradivari of Huntington" by "The New York Times".  He is also the maternal uncle of Anthony Cumia, formerly of the "Opie and Anthony" radio show, and current host of "The Anthony Cumia Show".

The Anthony Cumia Show: On July 3, 2014, Cumia was fired by SiriusXM, after making a series of tweets, that they deemed racist, following an alleged off-air incident with a black woman on the street.  Cumia tweeted that he was punched by the woman while attempting to take a picture in Times Square.  The tweets were described by Sirius XM as "racially-charged and hate-filled".  Cumia stated on the Saturday, July 12 episode of "Red Eye w/Greg Gutfeld" that he was not going to apologize for the incident.  At the time of Cumia's firing SiriusXM made no comment as to Hughes' possible future with the company at that time.  Cumia gave his blessing for the Sirius XM show to continue without him, acknowledging Hughes and Norton's obligation to fulfil their contract with SiriusXM.  A relaunched "Opie with Jim Norton" resumed on July 14, 2014 with Hughes and Norton discussing the incident and noting that The Opie and Anthony Channel was renamed SiriusXM Talk, along with various other alterations by the company in light of the firing.  In October 2014, Hughes and Norton signed a new contract to continue the SiriusXM show, which appears on the rebranded Opie Radio channel.

Anthony Cumia: Anthony Cumia (born April 26, 1961) is an American radio personality and broadcaster who is best known as the co-host of the "Opie and Anthony" radio show with Gregg "Opie" Hughes that aired from 1995 to 2014, alongside comedian Jim Norton from 2001.

Gregg Hughes: Gregg Hughes (born May 23, 1963), better known by his air name Opie, is a American radio personality best known as the former co-host of the "Opie and Anthony" radio show that aired from 1995 to 2014 with Anthony Cumia and comedian Jim Norton.  From 2014 to 2016, Hughes and Norton stayed at SiriusXM as co-hosts of "Opie with Jim Norton".  In October 2016, Hughes became the host of his own show, "The Opie Radio Show", which lasted until his firing from SiriusXM on July 7, 2017.

The Opie and Anthony Show Knuckleheads: The Opie & Anthony Show Knuckeheads, also known as ""The O&A Army"" or ""The Pests"," were names used to describe fans and listeners of The Opie & Anthony Radio Show who took a proactive approach to the show's content and promotion.  As opposed to just casually listening, these fans were involved in listener events, promoting the show, on-air segments, and listener stunts/pranks.  They are jokingly known by the hosts as a collection of "computer nerds" and "failures", with the implicit recognition that these devotees relate well to the hosts themselves.  Forbes Magazine has recognized "The Pests" as a major source of viral marketing for the show, facetiously suggesting that Anthony Cumia be nominated as CMO of XM Satellite Radio for his role in encouraging and leading the Pests.

The Lazlow Show: Lazlow Show is an American radio show created and hosted by Lazlow Jones.  It was first aired on K-Rock in 2005, and then broadcast onward through 2009 on XM Satellite Radio as part of the "Saturday Night Virus".  It again moved to ustream.com on Anthony Cumia's "Live From The Compound", and is currently recorded at Lazlow's house and released on his website lazlow.com.  The show is produced by former Opie and Anthony's senior producer Danny Ross.  The shows average around three hours long, and are aired live (or recorded) on Saturday nights, on an irregular schedule.

Supporting paragraphs: Opie and Anthony Jim Norton (comedian)
Answer: 2001