Question: Ian Cognito is a British stand-up comedian who has been compared to a Jewish-American stand-up comedian who was convicted in an obcenity trial in what year?

Context paragraphs:
Martin Høgsted: Martin Høgsted (born in 1982, Dianalund) is a Danish stand-up comedian.  He is known for UPS!  Det er live, and as writer from Live fra Bremen.  He debuted as comedian in 2006 on Comedy Zoo in Copenhagen and won DM i stand-up (Best Danish stand-up comedian) in 2008.

Karin Adelsköld: Karin Adelsköld, (born 13 July 1973) is a Swedish stand-up comedian and television presenter.  She won "Best Swedish female stand-up comedian of the year" at the 2012 Swedish stand-up gala.  In 2013 she presented "Alla tiders hits" on SVT along with Niklas Strömstedt.

Funmbi Omotayo: Funmbi Omotayo is a British stand-up comedian, notable for his television appearances after winning the Laughing Horse New Act of the Year competition.  He has performed on "The John Bishop Show", and appeared on "I'm a Celebrity...Get Me Out of Here!  NOW! " in November 2015, breaking down the day's action from "I'm a Celebrity...Get Me Out of Here! " alongside Joe Swash.

Freddie Roman: Freddie Roman (born Fred Kirschenbaum 1937 in Jamaica, Queens, New York) is a Jewish-American stand-up comedian, best known for his frequent appearances at "Borscht Belt" hotels.

Stand-up comedy: Stand-up comedy is a comic style in which a comedian performs in front of a live audience, usually speaking directly to them.  The performer is commonly known as a comic, stand-up comic, stand-up comedian, or simply a stand-up.  In stand-up comedy, the comedian usually recites a grouping of humorous stories, jokes and one-liners typically called a monologue, routine, or act.  Some stand-up comedians use props, music, or magic tricks to "enhance" their acts.  Stand-up comedy is often performed in comedy clubs, bars and pubs, nightclubs, neo-burlesques, colleges and theatres. Outside of live performance, stand-up is often distributed commercially via television, DVD, CD and the internet.

Ian Cognito: Ian Cognito is a British stand-up comedian.  An iconoclastic performer, Cognito has been compared to Lenny Bruce, Bill Hicks, and Jerry Sadowitz but has never achieved success in the mainstream media, in part at least due to his irascible reputation.

Nick Doody: Nick Doody (born 1972 in Morley, West Yorkshire) is a British stand-up comedian.  He features frequently as a guest on radio broadcasts such as "Political Animal" and vox-pop television shows, although he is known primarily as a live stand-up comic.

Lenny Bruce: Leonard Alfred Schneider (October 13, 1925 – August 3, 1966), better known by his stage name Lenny Bruce, was a Jewish-American stand-up comedian, social critic and satirist.  He was renowned for his open, free-style and critical form of comedy which integrated satire, politics, religion, sex, and vulgarity.  His 1964 conviction in an obscenity trial was followed by a posthumous pardon, the first in the history of New York state, by then-Governor George Pataki in 2003.

Ian Stone: Ian Stone is a British stand-up comedian, broadcaster and writer famous for appearing as a guest on shows such as the comedy panel show "Mock the Week".  Stone is also a regular guest on BBC Radio 5's "Fighting Talk".  He currently presents "The Football's On" on BT Sport and "Comedy Bigmouths" on Channel 5 and My5.

Phil Mazo: Phil Mazo (born June 13, 1981) is a Jewish-American stand-up comedian.  He has appeared on The Bob & Tom Show, and his stand-up can be heard on Sirius Satellite Radio.  He is also in a national television commercial for CarMax.  His debut comedy album, "Pervert", has appeared in the top 40 comedy albums on iTunes.

Supporting paragraphs: Ian Cognito Lenny Bruce
Answer: 1964