Question: What is the nationality of the highest wicket taker inTwenty20 International cricket?
Context: Umesh Kumar Tilak Yadav (born 25 October 1987) is an Indian cricketer who currently plays for Vidarbha cricket team and Indian national team.  A right-arm fast bowler, Yadav has played for Vidarbha at domestic level since 2008 and is the first player from the team to have played Test cricket.  He made his One Day International (ODI) debut against Zimbabwe in May 2010.  The following year, in November, Yadav made his Test debut against the West Indies.  He was the highest wicket taker for India in the 2015 ICC Cricket World Cup. Abhishek Sharma (born 10 August 1985 in Delhi) is an Indian cricketer.  He is a right-handed legbreak bowler who hit lusty blows lower-order batsman.  Sharma was a member of the Indian U-19 cricket team in the 2002 ICC Under-19 Cricket World Cup and 2004 ICC Under-19 Cricket World Cup tournament played in New Zealand and Bangladesh respectively.  He was the highest wicket taker for India in both the editions of world cup and overall third-highest wicket-taker in Under-19 Cricket World Cup history with a tally of 26 wickets. Diana Fram Edulji (born January 26, 1956) is a former Indian women's Test cricketer.  Born in Mumbai she was drawn to sports at an early age.  She grew up playing cricket with a tennis ball in the railway colony where she lived.  She then went on to play basketball and table tennis at the junior national level, before migrating to cricket.  At a cricket camp hosted by former Test cricketer 'Lala Amarnath' she honed her skills.  At that time women's cricket was becoming more popular in India.  Diana then went on to play for the Railways and then the Indian national cricket team where she was a successful slow left-arm orthodox bowler.  She played her first series in 1975.  In 1978 she was made the captain of the team.  With 120 wickets, she remains the highest wicket taker of the game. Sarkar Talwar (born 22 September 1952 in Agra, Uttar Pradesh) is an Indian former cricketer who played first class cricket for Haryana as a right-arm offbreak bowler between 1967–68 and 1987–88.  He finished with 357 wickets in his career with best innings bowling figures of 7/32 against Jammu and Kashmir.  He was also the highest wicket taker in Ranji trophy season 1982-83. Charles Warrington Leonard "Charlie" Parker (14 October 1882, Prestbury, Gloucestershire – 11 July 1959, Cranleigh, Surrey) was an English cricketer, who stands as the third highest wicket taker in the history of first-class cricket, behind Wilfred Rhodes and Tich Freeman. The 1896 County Championship was the seventh officially organised running of the County Championship, and ran from 4 May to 31 August 1896.  Yorkshire County Cricket Club claimed victory that year, winning 16 of their 26 matches and losing only three.  Five of Yorkshire's players made over 1,000 runs in the season, including John Brown who was placed third nationally, while Yorkshireman Bobby Peel was 6th highest wicket taker and Schofield Haigh held one of the leading bowling averages.  Although Yorkshire had a crop of players accruing these statistics, Kumar Shri Ranjitsinhji of Sussex took the plaudits for the most runs that year, 1,698, at the highest average, 58.55, while Surrey's Tom Richardson took the most wickets – 191, and William Attewell of Nottinghamshire returned the best average – 14.63 for his 87 wickets. Umar Gul (Urdu: , Pashto: ‎ ) (born 14 April 1984) is a Pakistani cricketer from Peshawar, Pakistan.  He is a right arm fast medium bowler who has played Test matches, One Day Internationals and Twenty20 Internationals for the Pakistani cricket team.  He has gained fame as one of the most successful bowlers in Twenty20 cricket finishing as the leading wicket taker and bowler in both the 2007 and 2009 Twenty20 World Championship tournaments.  Umar Gul is the second most highest wicket taker (74) in Twenty20 International cricket, only behind Saeed Ajmal.  He won the Twenty20 International Performance of the Year 2013. Arlen Konwar (born 1 January 1981) is an Indian cricketer from Assam.  He made his debut in first-class cricket for Assam in 2001-02 Ranji Trophy.  He is a right-arm off break bowler.  Konwar is the best spin bowler Assam has ever produced.  He is the highest wicket taker of Assam in first class cricket with more than 200 wickets. Saeed Ajmal (Punjabi, Urdu: سعید اجمل‎ ; born 14 October 1977) is a Pakistani cricketer.  He is a right-arm off-spin bowler who bats right handed. Khawaja "Usman" Shuja, is an American cricketer and the opening fast bowler for team USA.  He is currently the leading wicket taker for the US in 50-over international games.  He represented USA in ICC Division 5, Division 4 and Division 3.  He was the highest wicket taker for the USA in Italy in Div 4 and in Malaysia in Div 3.
Answer: Pakistani