Question: For which accomplishment in Bulgarian football is the professional footballer who plays for Indian Super League club Kerala Blasters, and whose name is used for the Foundation where Ana-Maria Yanakieva, a singer from the music label Virginia Records was a scholar, considered the all-time leader?

full_context: Document 1: Dimitar Ivankov: Dimitar Ivanov Ivankov (Bulgarian: Димитър Иванов Иванков; born 30 October 1975) is a former Bulgarian professional footballer who played as a goalkeeper. However, he is known for his goals, especially from converting penalty kicks. Ivankov is the 3rd highest goalscoring goalkeeper of all time with 42 goals (as of April 2011).
Document 2: Dimitar Berbatov: Dimitar Ivanov Berbatov (Bulgarian: Димитър Иванов Бербатов ] ; born 30 January 1981) is a Bulgarian professional footballer who plays for Indian Super League club Kerala Blasters. A striker, he captained the Bulgaria national team from 2006 to 2010, and is the country's all-time leading goalscorer. He has also won the Bulgarian Footballer of the Year a record seven times, surpassing the number of wins by Hristo Stoichkov.
Document 3: 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 4: 2003–04 Bayer 04 Leverkusen season: Bayer 04 Leverkusen bounced back from the nearly disastrous season it came from, finishing in the top three and qualifying for the UEFA Champions League in the process. The season marked the breakthrough for Bulgarian striker Dimitar Berbatov, who scored 16 goals, whereas Brazilian signing França contributed with 14 strikes. As it was, it was the attack that impressed the most, especially in the 6–2 crushing of champions Werder Bremen on the penultimate day of the season.
Document 5: Ana-Maria Yanakieva: Ana-Maria Yanakieva (Bulgarian: Ана-Мария Янакиева , born 5 August 1998) is a Bulgarian singer from the music label Virginia Records, the official representative of Sony Music Entertainment for Bulgaria. She is also a scholar of Dimitar Berbatov Foundation. Ana-Maria is a finalist from Season 2 of X Factor Bulgaria, which took place in 2013. She is one of the most talented and promising Bulgarian young singers as considered by many music professionals in Bulgaria.
Document 6: Bhaichung Bhutia: Bhaichung Bhutia (born 15 December 1976) is a retired Indian footballer of Sikkimese-Bhutia descent who played as a striker. Bhutia is considered to be the torchbearer of Indian football in the international arena. He is often nicknamed the "Sikkimese Sniper" because of his shooting skills in football. Three-time Indian Player of the Year I. M. Vijayan described Bhutia as "God's gift to Indian football". Bhaichung Bhutia has an older brother named Chewang Bhutia. Chewang and Bhaichung both went to boarding school. Bhutia was married in 2004 to a hotel professional and divorced in 2015.
Document 7: Inna: Elena Alexandra Apostoleanu (born 16 October 1986), known professionally as Inna, is a Romanian singer and songwriter. Born in Mangalia and raised in Neptun, she studied political science at Ovidius University before meeting Romanian trio Play & Win and pursuing a music career. Inna adopted the stage name "Alessandra" in 2008 and adopted a pop-rock style; later that year, she changed her stage name to "Inna" and began releasing house music. "Hot" (2008), her debut single, was a commercial success worldwide and topped "Billboard"'s Hot Dance Airplay chart. She signed with Ultra Records in April 2009. Her studio album of the same name followed in August 2009, and was certified Gold and Platinum.
Document 8: Annastasia Baker: Annastasia Anneve Baker (born 16 November 1988) is a British Gospel singer, and song writer, Annastasia first caught the public eye as a contestant who progressed into the top six female singers in the judges round of the 2008 edition of The X Factor (UK series 5). Undeterred by not getting past this stage, Annastasia subsequently auditioned for the X Factor 2010 series, The X Factor (UK series 7) and once again made it to the judges round.
Document 9: Sonya Yoncheva: Sonya Yoncheva (Bulgarian: Соня Йончева, born 25 December 1981) is a Bulgarian operatic soprano.
Document 10: Bulgaria in the Junior Eurovision Song Contest: The participation of Bulgaria in the Junior Eurovision Song Contest first began in Rotterdam, Netherlands, at the Junior Eurovision Song Contest 2007. Bulgarian National Television (BNT), a member organisation of the European Broadcasting Union (EBU), have been responsible for the selection process of their participants, since their debut in 2007. The first representative to participate for the nation at the 2007 contest was Bon-Bon with the song "Bonbolandiya", which finished in seventh place out of seventeen participating entries, achieving a score of eighty-six points. There has been four absences from the competition, those being in 2009 , 2010 , 2012 and 2013 . Bulgaria's most recent return to the contest in 2014 proved to be successful, when Krisia, Hasan & Ibrahim represented them with the song "Planet of the Children", achieving one-hundred and forty-seven points and finishing in second place out of sixteen participating countries, the country's best ever result in a Eurovision competition. They hosted the contest at Arena Armeec in 2015 . On 11 June 2016, Lidia Ganeva won the national selection ""Decata na Bulgaria sa super"", earning the right to represent Bulgaria at the Junior Eurovision Song Contest 2016, in Valletta, Malta. Ganeva performed the internally selected song "Magical Day (Valsheben den)" at the contest. She received one-hundred and sixty-one points and therefore finished ninth out of seventeen participating countries.
Document 11: Andra (singer): Alexandra Irina Măruță (born 23 August 1986 in Câmpia Turzii), better known by her stage name Andra, is a Romanian singer and judge at Românii au talent. In 2007, she received Gold and Platinum certification for the album "De la frate la soră". She collaborated with Dan Bittman, Direcția 5, What's Up, Vunk, Marcel Pavel, Marius Moga, Smiley and the band Simplu. Andra presented the TV shows "Singuri cu vedeta" on Antena 1 and "O-la-la" on Pro TV.In 2013 she was nominated at the MTV Europe Music Award for Best Romanian Act at the 2013 MTV Europe Music Awards. In 2014 she won the MTV Europe Music Award for Best Romanian Act at the 2014 MTV Europe Music Awards. her song, why, topped at number 8 in billboard.
Document 12: Vanya Milanova: Vanya Milanova was born on January the 12th 1954. She is an internationally renowned solo violinist and recording artist. She is noted for being a female breakthrough artist in a male dominated field. Her beauty of tone, technical ability and having an unusually large repertoire have been much commentated on in press reviews. She has made a lasting impact on violin performing through being the very first woman to record the entire 24 Paganini caprices in a primarily male field for the Simax Label, Oslo, 1985. She performed works which were often only attributed to male soloists. Bulgarian born, Vanya Milanova was a child prodigy, having performed her first paid concert at the age of three. She studied at the Music School in Sofia and the State Music Academy in Sofia in the class of Peter Arnaudov and later at the Guildhall School of Music in London where she studied with pedagogue Yfrah Neaman OBE. Before turning 20 years of age she had already won prizes at many of the major competitions: Tchaikovsky, Queen Elizabeth and Paganini. She has played with some of the best orchestras in England, France, Italy, Turkey, Israel, Portugal, Sweden, Norway, Denmark, South America and South Africa. She has made frequent recordings with the BBC – London and Manchester, Norwegian Label Simax and the Italian Label Real Sound. and has played at the Royal Festival Hall, Wigmore Hall, the Royal Albert Hall and the Royal Opera House for the Edward Boyle Memorial Concert 1983 attended by Her Royal Majesty the Queen in aid of the Edward Boyle Memorial Trust, featuring Vanya Milanova, the Amadeus String Quartet, Murray Perahia, Kathryn Scott and Dame Janet Baker). Vanya Milanova has been awarded 'Freedom of the City Award' in her native Bulgaria for her outstanding contribution to music and popularising classical music to a younger generation. Alongside being a performing and recording artist, She was violin professor at Bilkent University, Turkey and at various other institutions where she disseminated her style to a new generation of young violinists.
Document 13: Didier Drogba: Didier Yves Drogba Tébily (] ; born 11 March 1978) is an Ivorian professional footballer who plays as a striker for American club Phoenix Rising FC. He is the all-time top scorer and former captain of the Ivory Coast national team. He is best known for his career at Chelsea, for whom he has scored more goals than any other foreign player and is currently the club's fourth highest goal scorer of all time. He has been named African Footballer of the Year twice, winning the accolade in 2006 and 2009.
Document 14: Kerala Blasters FC: Kerala Blasters Football Club is an Indian professional football club based in Kochi, Kerala. The Blasters compete in the Indian Super League, one of the top leagues of Indian football. The club was established on 24 May 2014 and began their first professional season a few months later in October 2014. The team name comes from one of their owners, former Indian cricketer Sachin Tendulkar, who was known as the "Master Blaster" during his playing days.
Document 15: Marika Siewert: Marika (also spelled MARIKA) is a Canadian recording artist, singer, songwriter, actor, and TV show host. MARIKA has had two top 40 radio singles in Canada, as well as songs placed with Elise Estrada, Elin Universal Music Group Germany, and Korea's Lee Hyori with "My Life" M-NET and Kim Bo Kyung. She also has songs placed on several seasons of America's Next Top Model, MTV and her single "ANGEL" was featured on the Lifetime network's original movie "Sins of the Mother". MARIKA performed back in Medicine Hat for the 2010 Winter Olympics Torch relay where she shared the stage with County Superstar Terri Clark. The pair were chosen to perform because of their Medicine Hat roots. MARIKA was also recognized as Virgin 95.3 CKZZ-FM Best of BC artist as a result of her single release in 2011 - "Soldier". MARIKA released in 2004 an album called "Untitled Chances", followed by radio singles in 2006 and 2007 "Christmas Came Early", "You Know I Will", and "Radio". "You Know I Will" got MARIKA nominated as best new artist in the Urban Category at the Canadian Radio Music Awards in 2007. Her album "Unstoppable" released in 2013 won the GMA Covenant awards Pop album of the Year, and she also recently was a featured singer on the new Hallmark TV channel's original series "Signed, Sealed, Delivered" which was executive produced by Martha Williamson who wrote and produced "Touched By An Angel". She also shared the stage with Grammy and Dove award winners Michael W. Smith, Steven Curtis Chapman, and Juno award winner Brian Doerksen on their one time only United Tour. In December 2013, she wrote "This Christmas Time" produced by 604 Records producer Colin Janz, which was released to radio across Canada and parts of the U.S.A and garnered national airplay. Marika was born in San Fernando, Trinidad, raised in England and Medicine Hat, Alberta. She currently resides in Vancouver, British Columbia.
ground_truth: goalscorer