Question: What cricket batting stroke, which hits the cricket ball over the keeper, was invented by Tillakaratne Dilshan during the ICC World Twenty20 in 2009?

full_context: Document 1: 2016 ICC World Twenty20 squads: The 2016 ICC World Twenty20 will be the sixth ICC World Twenty20, and the first to be hosted by India. Sri Lanka are the defending champions, having won the 2014 edition. The following squads were chosen for the 2016 ICC World Twenty20. The player ages are as on 8 March 2016, the opening day of the tournament, and where a player plays for more than one team in Twenty20 cricket, only their domestic team is listed (for example, Jos Buttler plays for Lancashire Lightning in the T20 Blast and Mumbai Indians in the Indian Premier League).
Document 2: Darren Sammy: Darren Julius Garvey Sammy, OBE (born 20 December 1983) is a Saint Lucian cricketer who plays international cricket for the West Indies. He is a two time T20 World Cup winning captain. He plays as a right-handed batsman and a fast-medium bowler. On making his One Day International (ODI) debut against Bangladesh in 2004, Sammy became the first person from the island of St. Lucia to play international cricket. Three years later he made his Test debut against England, taking 7/66 which were the best bowling figures for a West Indian in his first Test since Alf Valentine in 1950. Sammy was appointed West Indies captain in October 2010. He scored his maiden Test century in May 2012 during a match against England.
Document 3: Marvan Atapattu: Deshabandu Marvan Samson Atapattu (born 22 November 1970 in Kalutara) is a former Sri Lankan cricketer and former Sri Lankan captain, who played Tests and ODIs for seventeen years for Sri Lanka. One of the most stylish openers in world cricket, Atapattu started his career with 6 consecutive ducks in tests, but went on to become one of Sri Lanka's most prolific run scorers of all time, which included 6 double centuries in tests.
Document 4: Cricket All-Stars: Cricket All-Stars (better known as Cricket All-Stars Series) was an exhibition Twenty20 cricket series started in 2015 with the first series taking place in the United States. The series features two lineups of renowned retired cricket players from around the world, led by cricket icons – "Master Blaster" Sachin Tendulkar of India and the "King of Spin" Shane Warne of Australia.
Document 5: Dilscoop: The Dilscoop is a cricket batting stroke, also known as a "ramp shot", developed by Sri Lankan right-handed batsman Tillakaratne Dilshan during the ICC World Twenty20 held during June 2009 in England.
Document 6: 2012 ICC World Twenty20: The 2012 ICC World Twenty20 was the fourth ICC World Twenty20 competition, an international Twenty20 cricket tournament that took place in Sri Lanka from 18 September to 7 October 2012 which was won by the West Indies. The schedule has been posted by International Cricket Council (ICC). This is the first World Twenty20 tournament held in an Asian country, the last three having been held in South Africa, England and the West Indies. Sri Lankan pacer Lasith Malinga has been chosen as the event ambassador of the tournament by ICC. The format has four groups of three teams in a preliminary round. India and England are in the same group and were joined by the runner up of the ICC World Twenty20 Qualifier, Afghanistan. The champions of the ICC World Twenty20 Qualifier, Ireland, are in a group with West Indies and Australia. Sri Lanka, South Africa and Zimbabwe, and Pakistan, New Zealand and Bangladesh are the other two groups.
Document 7: Tillakaratne Dilshan: Tillakaratne Mudiyanselage Dilshan, (Sinhalese: තිලකරත්න ඩිල්ෂාන් ; born 14 October 1976, as Tuwan Mohammad Dilshan), popularly known as Tillakaratne Dilshan, is a former Sri Lankan cricketer and a former captain of the Sri Lanka national cricket team. The best rated Sri Lankan player in run-chases in ODI history, he is often regarded as one of the most innovative batsmen of all time. Dilshan is one such rare cricketer who can bat, bowl, field and keep wickets. He is an aggressive right-hand batsman who invented the scoop, which has come to be known as the dilscoop, that hits the ball over the keeper. An opening batsman, he is also a capable off-break bowler. A livewire in the field, he usually fields at the point region.
Document 8: Shahid Afridi: Sahibzada Mohammad Shahid Khan Afridi (Urdu: ‎ ; Pashto: شاهد اپریدی‎ ; born 1980), popularly as Shahid "Boom Boom" Afridi, is a former Pakistani cricketer and former captain of the Pakistan national cricket team. Considered as one of the most destructive batsman of all time, Afridi is known for his aggressive batting style and relies on chage of pace rather than spin as a bowler, and was the world record holder for the fastest ODI century in 37 deliveries. He also holds the distinction of having hit the most number of sixes in the history of ODI cricket.
Document 9: Warne–Muralidaran Trophy: The Warne–Muralitharan Trophy is awarded to the winner of the Australia–Sri Lanka Test cricket series from 2007–08 season onwards. The trophy is named after the two leading wicket takers in Test cricket, Sri Lanka's Muttiah Muralitharan (who prefers to romanise his name as "Muralidaran") and Australia's Shane Warne. The trophy celebrates the 25th anniversary of Australia–Sri Lanka Test cricket. The trophy features casts of the two bowlers' right hands and match-used cricket balls bowled by them during their careers. Sri Lanka Cricket, the governing body of cricket in Sri Lanka had written to its Australian counterpart, Cricket Australia, that the winner of the series should be awarded a trophy named after the two bowlers. Cricket Australia had responded positively to the Sri Lankans' proposal. In unveiling the trophy, Cricket Australia said in a statement,
Document 10: Suresh Raina: Suresh Kumar Raina (   ; born 27 November 1986) is an Indian professional cricketer. An aggressive left-handed middle-order batsman and an off-spin bowler, he is considered as one of the best fielders in world cricket. He plays for Uttar Pradesh in all forms of domestic cricket. He is the captain of Gujarat Lions in the Indian Premier League, and was the vice-captain of the Chennai Super Kings. He has also captained the Indian cricket team and is the second-youngest player ever to captain India. He is the first of the three Indian batsmen to ever score a century in all three formats of international cricket.
Document 11: Ali Ashfaq: Ali Ashfaq (born 6 September 1985), nicknamed ""Dhagandey"," is a Maldivian professional footballer who plays for Maldivian club New Radiant and the Maldives national team. He is a forward and serves as captain for Maldives. He is widely regarded as one of the best players in south Asia region along with Sunil Chhetri and Bhaichung Bhutia. He is noted for his strength, amazing dribbling skills and the capability of beating any sort of defenders, according to many coaches. He is a free-kick specialist and a clinical finisher. His trademark style of scoring is beating couple of defenders and rounding off the keeper to score. He is considered as the best Maldivian footballer ever most notably when he was named as the "World's 2nd Best Top Goal Scorer" in 2013 by IFFHS. He was also named as South Asia's Best Player in 2014 by eultimategoal.com. In March 2016, Ashfaq completed his 50th goal mark for Maldives national team.
Document 12: List of Sri Lanka national cricket captains: This is a list of all men, boys and women who have captained a Sri Lankan national cricket team at official international level. Sri Lanka became a full member of the International Cricket Council on 21 July 1981. Previously they were an associate member of the ICC from 1965, which made them eligible to compete in the ICC Trophy, the leading one-day tournament for associate members. Just after Sri Lanka gained Test status in 1981 a team of rebel players toured apartheid South Africa under the banner "Arosa Sri Lanka" (the term "Arosa" being derived from the promoter's name). All players who toured Sri Lanka were banned from official cricket matches for life, thereby setting Sri Lanka's development back. Sri Lanka's greatest success in One Day Internationals was when they won the Cricket World Cup in 1996 under the captaincy of Arjuna Ranatunga.
Document 13: Virender Sehwag: Virender Sehwag    (born 20 October 1978) is a former Indian cricketer, and a former captain, who played all forms of the game for fourteen years. Widely regarded as one of the most destructive batsmen of all time. Sehwag is an aggressive right-handed opening batsman and a part-time right-arm off-spin bowler. He played his first One Day International in 1999 and joined the Indian test side in 2001. In April 2009, Sehwag became the only Indian to be honoured as the Wisden Leading Cricketer in the World for his performance in 2008, subsequently becoming the first player of any nationality to retain the award for 2009.
Document 14: 2007 Cricket World Cup statistics: The following is a list of all the major statistics and records for the 2007 Cricket World Cup held in the West Indies from 13 March to 28 April 2007.</onlyinclude> Though India were eliminated early, they set the ODI record for the highest victory margin in their 257 run win over Bermuda. In their match against Netherlands, Herschelle Gibbs (South Africa) created ODI and International cricket record when he hit sixes off all six deliveries in Daan van Bunge's over. In the Super 8 stage games, Lasith Malinga (Sri Lanka) created ODI record when he took four wickets in four consecutive deliveries in a losing effort against South Africa. By the end of the tournament, new World Cup records for the fastest fifty (20 balls – Brendon McCullum of New Zealand) and fastest hundred (66 balls – Matthew Hayden of Australia) were established. Glenn McGrath established a new Cricket World Cup record for the most number of wickets (26) and also finished his ODI career with the most number of wickets in World Cup history (71). The number of sixes in the overall tournament (373) was 40% higher than the previous record holder, the 2003 Cricket World Cup (266). The tournament also saw 32 century partnerships (previous record of 28 during the 1996 Cricket World Cup) and 10 batsmen over 400 runs (previous record of 4 during the 2003 Cricket World Cup).
Document 15: Stanbic Bank 20 Series: The Stanbic Bank Twenty20 formerly known as the Metropolitan Bank Twenty20 is the domestic Twenty20 cricket competition in Zimbabwe. It was formed in 2007 and maintained by Zimbabwe Cricket. It features all the national and domestic players from Zimbabwe and some international stars. The best players in this tournament will form as Zimbabwe Chevrons to play in the Standard Bank Pro 20 Series in South Africa. Recently, the tournament has risen in profile with some high-quality cricket, and the attraction of major international stars such as Brian Lara, Ryan Sidebottom, Chris Gayle, Shaun Tait, Ian Harvey, and Dirk Nannes. The tournament particularly rose in profile after the reorganization of cricket in Zimbabwe. It was so successful in the 2009–10 season (the inaugural edition after the rename of the tournament) that the tournament was again held in November. In 2009–10, a domestic-cricket record 7500 spectators came into the Harare Sports Club to see the final between Mountaineers and Mashonaland Eagles. Mountaineers is the current champion defeating Mashonaland Eagles in the 2011–12 Stanbic Bank 20 Series Final. It is currently sponsored by Stanbic Bank (Uganda) Limited.
ground_truth: The Dilscoop