Question: The 15th and 18th top scorers of all time in Liga I are from which country?

full_context: Document 1: Gheorghe Mureșan: Gheorghe Dumitru Mureșan (] ; born February 14, 1971), also known as "Ghiță" (] ), is a Romanian retired professional basketball player. At 7 ft , he is the tallest player in NBA history. He is the tallest man in Romania and tallest living person in the European Union.
Document 2: Romelu Lukaku: Romelu Menama Lukaku Bolingoli (born 13 May 1993) is a Belgian professional footballer who plays as a striker for Premier League club Manchester United and the Belgium national team. He is one of only five players to score 50 Premier League goals before his 23rd birthday, and the fourth player (and first foreigner) to score 80 before his 24th birthday.
Document 3: Roy Ferenčina: Ferenčina spent his entire career playing for Croatian clubs and he had spells at Dinamo Zagreb, Trešnjevka, Inter Zaprešić, Marsonia and Hrvatski Dragovoljac before coming to Slaven Belupo in 1997. Ferenčina is mainly remembered for his time at Slaven, where he spent the last 8 years of his playing career, appearing in a total of 172 matches and scoring 11 goals for the club. Ferenčina retired from football in February 2005 after a fallout with Slaven manager Branko Karačić during the club's winter break friendly game at the Andrija Anković Memorial Tournament.
Document 4: 1997–98 A.S. Roma season: Associazione Sportiva Roma was reinvigorated under new coach Zdeněk Zeman, who recently had been coaching arch rivals Lazio. Zeman brought his attacking 4–3–3 with him, resulting in Roma scoring 67 goals, but also conceding 42, an extreme rarity in defensive-minded Italian football. Roma finished fourth, three places above Lazio in the table. That was the first time it had happened in five years, which delighted the Roma board, and Zeman stayed on for a further season. The season also saw the international breakthrough of former youth-team product Francesco Totti, who at 21 was ready for increased responsibility and captaincy, responding with 13 league goals from a position on the left-wing of the attack. Also noticeable was new signing Cafu's offensive skills as a right-wing back, granting him a reputation among the world's top wing backs.
Document 5: Mirosław Dreszer: Mirosław Dreszer (born 28 August 1965 in Tychy) is a Polish former football player who played goalkeeper. He began playing for GKS 71 Tychy; he played in the Polish First Division in the 1984–85 season, and played for Legia Warsaw in the 1985–86 season in two matches. In 1984, he started as the goalkeeper for the Polish U-18 national team, which finished in third place in the European Championship. He then moved to GKS Katowice where he played for the next five seasons. He played a total of 57 matches in the Polish First Division season of 1990–91. During the final of the European Cup Winners' Cup in the 1986–87 season, he suffered a serious injury against Swiss team FC Sion. The injury was caused by FC Sion striker Dominique Ciña and Dreszer later required a surgery to recover.
Document 6: List of Romanian football champions: The Romanian football champions (Romanian: "campionii României la fotbal" ) are the winners of "Liga I", Romania's premier annual association football league competition. The title has been contested since 1909 in varying forms of competition. Steaua Bucureşti has won a record 26 championship titles, thus making it the most prolific team in the Liga I. The second most successful team in the league is Dinamo Bucureşti with 18 championship titles. The Steaua-Dinamo rivalry, also known as the Eternal Derby, is the biggest one in the Romanian football championship, and between the two teams, they have won the championship 44 times and finished as runners-up another 34 times during the 98 completed seasons. The third most prolific team was Venus Bucureşti which won all of its titles during the early editions of the championship, winning eight trophies before its dissolution in 1949. Since the first edition in 1909–10, the league has been won by 22 teams representing 11 cities, with nearly two-thirds of all editions (59 titles) being won by teams from the capital, Bucharest. The 2007–08 champions CFR Cluj were the first team outside Bucharest to win the championship in 16 years.
Document 7: Mircea Dridea: Mircea Dridea (born 7 April 1937) is a Romanian former professional footballer who plays as a forward. He played 19 years at Petrolul Ploiești, the only club whose shirt he dressed as a footballer from 1952 to 1971, including the youth period. Mircea Dridea occupies the 15th place in the Liga I all-time top scorers with 142 goals: over Gheorghe Hagi (141), Nicolae Dobrin (111) or Marius Lăcătuș (103). He played with Petrolul in European Cup and UEFA Cup Winners' Cup against teams like: Wismut Karl Marx Stadt, Wiener Sport-Club, Liverpool and Fenerbahçe.
Document 8: Stadionul Mircea Chivu: Mircea Chivu Stadium is a multi-purpose stadium, located in Reșița, Romania. It has a capacity of 12,500 people. Is the home ground of Metalul Reșița and CSM Școlar Reșița. The stadium is named after Mircea Chivu, the father of soccer player Cristian Chivu, former captain of the Romanian national team.
Document 9: Nicolae Constantin: Nae Constantin started his playing career with Victoria Floresti, a local club in his home county of Prahova. After one season he made the big step to Prahova's biggest club, Petrolul Ploiesti. Despite being a central defender, he would go often up front and score goals for his team, as he proved so while loaned at AS Ploiesti, scoring 6 goals in 21 games. He continued his good goalscoring statistics at Petrolul, where he managed 7 goals in 69 matches. In 2000, he switched to Romanian giants Rapid Bucuresti. Despite being loaned out several times to Electromagnetica, Astra Ploiesti and his previous club Petrolul Ploiesti, he was a main figure in his later years in Bucharest. Following Razvan Lucescu's resignation at Rapid, with whom he had a great partnership, he secured a transfer to Cypriot club Digenis Akritas Morphou. He only wore Digenis' jersey 7 times, as he returned quickly to his home country to join Lucescu and many more ex-Rapid players at FC Brasov, following a mass exodus from the Bucharest club. Reunited with his former coach and teammates, he enjoyed playing 3 seasons with in Brasov, before joining for the 2010-11 season what proved to be his last club, Chimia Brazi. Nae Constantin was an important figure for the club, who missed out promotion to Liga II by only two points.
Document 10: Marius Lăcătuș: Marius Mihai Lăcătuș (] ; born 5 April 1964 in Brașov) is a retired Romanian football player and football coach. He is so far the most successful football player ever to play for Steaua București. He is all-time top scorer for Steaua with 16 goals in European competitions.
Document 11: Mario Mandžukić: Mario Mandžukić (; born 21 May 1986) is a Croatian professional footballer who plays as a forward for Italian club Juventus and the Croatia national team. Besides being a prolific goalscorer, he is known for his great defensive contribution and aerial power.
Document 12: Marian Dumitru: Marian Dumitru (born 18 March 1960) is a retired Romanian handball player. Between 1980 and 1996 he played 231 matches for the national team and scored 754 goals. He competed at the 1980, 1984 and 1992 Olympics and 1982, 1986 and 1990 world championships and won bronze medals in 1980, 1984 and 1990. At the club level he played for Steaua Bucharest, winning 11 national championships and reaching the EHF Champions League final in 1989. The same year, he signed for TEKA Santander in Spain, where he won the EHF Cup Winners' Cup in 1990. He then went to play in the Bundesliga for TSV Bayer Dormagen. In the 1993–94 season, he won the EHF Cup with Alzira Avidesa.
Document 13: 1989 European Cup Final: The 1989 European Cup Final was a football match held at the Camp Nou in Barcelona, Spain on 24 May 1989, that saw Milan of Italy defeat Steaua București of Romania 4–0. Two goals each from Marco van Basten and Ruud Gullit gave the Italian side their third victory in the competition.
Document 14: 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 15: Sándor Kocsis: Sándor Péter Kocsis (] ; 21 September 1929 – 22 July 1979) was a Hungarian footballer who played for Ferencváros TC, Budapest Honvéd, Young Fellows Zürich, FC Barcelona and Hungary as a striker. During the 1950s, along with Ferenc Puskás, Zoltán Czibor, József Bozsik and Nándor Hidegkuti, he was a member of the "Mighty Magyars". After the 1956 Hungarian Revolution he moved to Spain where he became a member of the FC Barcelona team of the late 1950s.
ground_truth: Romania