Question: Which countries has the host of the BBC Two comedy panel show, Dara Ó Briain, had pieces published in national papers?

Context paragraphs:
Dara Ó Briain's Science Club: Dara Ó Briain's Science Club is a British science television series presented by Dara Ó Briain which first aired on BBC Two between 6 November 2012 and 29 August 2013.  Each week, the team take one subject and explore all possible angles, combining it with studio discussions in front of a live audience, films and on the spot reports.  Science Club won The Best TV General Programme Award at the 2013 European Science TV and New Media Awards beating off competition from QI, Science Squad and Biomimetics.

Dara Ó Briain: Dara Ó Briain ( ; ] ; born 4 February 1972) is an Irish comedian and television presenter in the United Kingdom and Ireland.  He is noted for hosting topical panel shows such as "Mock the Week", "The Panel", and "".  His TV work also includes starring in and writing of television comedy and documentary series.  Ó Briain has also been a newspaper columnist, with pieces published in national papers in both Britain and Ireland.

Dara Ó Briain: School of Hard Sums: Dara Ó Briain: School of Hard Sums is a British comedy game show about the subject of mathematics and it is based on the Japanese show "Comaneci University Mathematics".  The programme is broadcast on Dave and is presented by Dara Ó Briain and stars Marcus du Sautoy.  Each episode is themed and Ó Briain, along with a guest or guests, attempts to solve various conundrums set by du Sautoy.  At the end of each episode, Ó Briain sets homework questions for viewers; the answers can be checked on the show's website.

Happy Endings Productions: Happy Endings Productions is an Irish entertainment television production company, founded by Dara Ó Briain and Seamus Cassidy in 2003.  Their best-known programme is the topical RTÉ comedy show, "The Panel", which Ó Briain presented for a number of seasons.  They have also produced the Ó Briain-hosted interview show "Buried Alive", the comedy special "This is Ireland" for BBC2 and the 2008 comedy cabaret "Smoke and Mirrors", presented by Andrew Maxwell. .  The company's commissioned work has included two series of "Saturday Night With Miriam", an RTÉ chat show presented by Miriam O'Callaghan.  They are developing a sitcom for the UK's Five Channel.

Live Floor Show: Live Floor Show is a television comedy show produced by BBC Scotland for three series from 2002–2003.  The first two series, hosted by Greg Hemphill, were broadcast on BBC One Scotland.  The third series, hosted by Dara Ó Briain, was shown on BBC Two.

Dara and Ed's Great Big Adventure: Dara and Ed's Great Big Adventure is a BBC Two TV show containing the events of Dara Ó Briain and Ed Byrne as they journey the Pan-American Highway.

Don't Feed the Gondolas: Don't Feed the Gondolas is an Irish comedy panel show, that ran for four series on Network 2 between 1997 and 2001.  The show was hosted by Seán Moncrieff and the longest-serving panellists were Brendan O'Connor and Dara Ó Briain.

All About Two: All About Two is a one-off comedy panel show hosted by Dara Ó Briain.  It aired on BBC Two on 20 April 2014 to celebrate 50 years of the channel.

Dara O Briain's Go 8 Bit: Dara O Briain's Go 8 Bit is a British comedy panel game show originally created by English comedians Steve McNeil (born 1 September 1979) and Sam Pamphilon (born 3 December 1983) during the Edinburgh Festival Fringe in 2013, and then transferred to television on Dave beginning on 5 September 2016.  The TV series stars comedian Dara Ó Briain as host, with McNeil and Pamphilon as team captains, and video game journalist Ellie Gibson as the resident expert.  The show involves McNeil and Pamphilon and their team mates playing a series of five video games against each other.

Mock the Week: Mock the Week is a British topical, satirical celebrity panel show, that was created by Dan Patterson and Mark Leveson, the same people responsible for the comedy game show "Whose Line Is It Anyway? ".  Performers deliver answers on unexpected subjects on the spur of the moment—although accusations of scripting have been made by other comedians.  It is made by independent production company Angst Productions, and made its debut on BBC Two on 5 June 2005, with the show's theme song being "News of the World" by The Jam.  The show has featured a variety of different stand-up performers, some being part of the show for several series as a permanent fixture, with host Dara Ó Briain and comedian Hugh Dennis having appeared in every episode since its debut.

Supporting paragraphs: All About Two Dara Ó Briain
Answer: Britain and Ireland