Question: Who is the left-handed bowler that joined Kent County Cricket Club in 2011?

Documents:
source: Kent County Cricket Club in 2011
text: Kent County Cricket Club in 2011 In 2011, Kent County Cricket Club competed in Division Two of the County Championship, Group A of the 40-over Clydesdale Bank 40 and the South Group of the Friends Life t20. Kent also hosted a Twenty20 match at the St Lawrence Ground against the touring Indians, and a three-day first-class MCC Universities match against Loughborough MCCU, also at the St Lawrence Ground. It was the second and final season in charge for Director of Cricket Paul Farbrace. The club captain was former England batsman Rob Key who had been club captain since 2006. Pakistan fast bowler Wahab Riaz joined Kent as their overseas player in June, and another fast bowler, South African Charl Langeveldt, signed as Kent's second overseas player for the Friends Life t20 competition only.

source: Wahab Riaz
text: Wahab Riaz Wahab Riaz (Punjabi, Urdu: ‎ ; born 28 June 1985) is a Pakistani cricketer. He is a left-arm fast bowler and a right-hand batsman. He frequently bowls at speeds of around 90 mph and has reached 96 mph .

source: Wayne Parnell
text: Wayne Parnell Wayne Dillon Parnell (born 30 July 1989) is a South African cricketer who plays Test cricket, One Day International cricket and Twenty20 matches for South Africa. At the domestic level he plays for Cape Cobras, having previously played for the Warriors and Eastern Province. He has also played county cricket for Kent County Cricket Club, Sussex County Cricket Club and Glamorgan County Cricket Club in English county cricket, for the Delhi Daredevils and Pune Warriors in the Indian Premier League and for Barbados Tridents in the Caribbean Premier League.

source: Kristian Adams
text: Kristian Adams Kristian Adams (born 26 November 1976) is a former English cricketer who played for Kent County Cricket Club and Lincolnshire County Cricket Club as a bowler. He was a right-handed batsman and a left-arm medium-fast bowler. He was born in Cleethorpes in Lincolnshire.

source: Kent County Cricket Club in 2012
text: Kent County Cricket Club in 2012 In 2012, Kent County Cricket Club competed in Division Two of the County Championship, Group C of the 40-over Clydesdale Bank 40 and the South Group of the Friends Life t20. Kent also hosted a first-class match at the St Lawrence Ground against the touring South Africans. At the start of the season, Kent played a three-day MCC Universities match at Oxford MCCU, but this match did not have first-class status. It was the first season in charge for new head coach Jimmy Adams after the departure of Paul Farbrace who had been the club's Director of Cricket for two seasons. The club captain was former England batsman Rob Key who had been club captain since 2006. Brendan Nash joined Kent as their overseas player.

source: Francis Bullock-Marsham
text: Francis Bullock-Marsham Colonel Francis William Bullock-Marsham {'1': ", '2': ", '3': ", '4': "} (13 July 1883 – 22 December 1971), sometimes known as Francis Marsham, was a senior officer in the British Army and an English amateur cricketer who played one first-class cricket match for Kent County Cricket Club and one for MCC, both in 1905. Part of the Marsham family that were involved with Kent County Cricket Club. He was born in Bicester and died in Maidstone.

source: Gravesend Cricket Club
text: Gravesend Cricket Club Gravesend Cricket Club is a cricket club which currently plays in Division 2 of the Kent Cricket League. The club was formed in 1880 and plays at the Bat and Ball Ground which has been around for over 150 years (since 1848). First Class Cricket was played at "The Bat" (as it is affectionately known) by Kent County Cricket Club and its Second XI. The highest ever score on the ground came from W.G.Grace with 257 for Gloucestershire in 1895, and the most wickets in a match coming from Tich Freeman for Kent in 1931. The club currently has four running league teams, as well as a 5th XI which play friendly matches. Also, the club operates an exciting youth section with teams ranging from U11 to U17 (with the exceptions of U14 and 16). In Autumn 2011, the club was awarded the ECB "Clubmark" status which acknowledges the colts section of the club.

source: Chris Dale (cricketer)
text: Chris Dale (cricketer) Christopher Stephen Dale (born 15 December 1961) is an English former professional cricketer. Born at Canterbury in Kent, Dale was a spin bowler who played for Gloucestershire County Cricket Club and Kent County Cricket Club during the 1980s.

source: List of Kent County Cricket Club captains
text: List of Kent County Cricket Club captains This is a list of Kent County Cricket Club captains. Kent County Cricket Club was formed in 1842 and has played in the County Championship since its inception in 1890 and in List A cricket and Twenty20 cricket. The first match in which Kent have a named captain indicated on scorecards available occurred on 26–27 June 1856 when the county played MCC at Gravesend. South Norton captained the county on that occasion and throughout the period until 1870. The first official captain of the club was Lord Harris, an influential figure in the development of Kent and English cricket, who was appointed to the role in 1875. As of 2017 the current club captain is batsman Sam Northeast who was appointed at the end of September 2015.

source: Doug Bollinger
text: Doug Bollinger Douglas Erwin Bollinger (born 24 July 1981) is a professional Australian cricketer. He has played first-class cricket for the New South Wales cricket team and international cricket for Australia. He is a left-handed batsman and a left-arm fast bowler. Bollinger has played for Worcestershire County Cricket Club and Kent County Cricket Club in England, for the Chennai Super Kings in the Indian Premier League and for Hobart Hurricanes, Sydney Thunder and Sydney Sixers in domestic T20 competition.

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Answer: Wahab Riaz