Question: Broxbourne is a constituency represented in the House of Commons of the UK Parliament since 2005 by which British Conservative Party politician, who has been the Member of Parliament (MP) for Broxbourne since the 2005 general election?

Context paragraphs:
Mansfield (UK Parliament constituency): Mansfield is a constituency represented in the House of Commons of the UK Parliament since 2017 by Ben Bradley of the Conservative Party.  This is the first time a Conservative MP has represented the constituency since its creation in 1885.

East Surrey (UK Parliament constituency): East Surrey is a constituency represented in the House of Commons of the UK Parliament since 2010 by Sam Gyimah of the Conservative Party.  Its record is that of a Conservative safe seat based on time and opposition.  It has elected a Conservative Party MP on an absolute majority since the seat's establishment, in 1918, and it's greatest share of the vote for any opposition candidate was 33.75% in February 1974.

Helen Southworth: Helen Mary Southworth (born 13 November 1956) is a Labour Party politician in the United Kingdom.  She is the former Member of Parliament (MP) for Warrington South, and was first elected at the 1997 general election.  She retained the Warrington South seat at the 2001 and 2005 general elections, each time with a reduced majority.  On 15 June 2009, she announced that she would be retiring at the next general election.  The seat that she vacated was subsequently won for the Conservative Party by David Mowat.  She was the only person to have won successive elections in the constituency until her successor, Conservative David Mowat, won the 2015 General Election with an increased majority.

Windsor (UK Parliament constituency): Windsor /ˈwɪnzə/ is a constituency represented in the House of Commons of the UK Parliament since 2005 by Adam Afriyie of the Conservative Party.

Charles Walker (British politician): Charles Ashley Rupert Walker, (born 11 September 1967) is a British Conservative Party politician, who has been the Member of Parliament (MP) for Broxbourne since the 2005 general election.

John Lloyd Wharton: The Right Honourable John Lloyd Wharton PC (18 April 1837 – 11 July 1912) was a Barrister and a Conservative Party politician.  He was the Member of Parliament (MP) for Member of Parliament (MP) for City of Durham (UK Parliament constituency) then Member of Parliament (MP) for Ripon (UK Parliament constituency).

Shailesh Vara: Shailesh Lakhman Vara (born 4 September 1960) is a British Conservative Party politician.  He was elected Member of Parliament (MP) for North West Cambridgeshire in the 2005 general election, succeeding Brian Mawhinney as the Conservative MP for the seat.  Vara has previously been a Vice-Chairman of the Conservative Party.  In 2006, he was appointed to the shadow ministerial post of Shadow Deputy Leader of the House of Commons.  Following the 2010 general election, he was appointed to the position of Assistant Whip in the coalition government.  On 7 October 2013, he was appointed Parliamentary Under Secretary of State at the Ministry of Justice.

Broxbourne (UK Parliament constituency): Broxbourne is a constituency represented in the House of Commons of the UK Parliament since 2005 by Charles Walker of the Conservative Party.

Dartford (UK Parliament constituency): Dartford is a constituency represented in the House of Commons of the UK Parliament since 2010 by Gareth Johnson of the Conservative Party.  The constituency is currently the longest-valid 'bellwether' constituency in the country as the party of the winning candidate has gone on to form the government in every General Election since 1964.  Candidates for the largest two parties nationally have polled first and second since 1923 in Dartford.

Walter Attenborough: Walter Annis Attenborough (27 November 1850 – 13 June 1932) was a British Conservative Party politician.  He was elected at the January 1910 general election as Member of Parliament (MP) for Bedford (UK Parliament constituency), but was defeated by only 19 votes at the December 1910 general election.

Supporting paragraphs: Broxbourne (UK Parliament constituency) Charles Walker (British politician)
Answer: Charles Walker