Question: When did the most followed person on Instagram join Manchester United?

full_context: Document 1: List of most-followed Instagram accounts: This list contains the top 10 accounts with the most followers on the social photo - sharing platform Instagram. As of December 2017, the most followed user is Instagram's own account, with over 230 million followers. Selena Gomez is the most followed individual, with over 132 million followers. Eight accounts have exceeded 100 million followers on the site.
Document 2: Cristiano Ronaldo: Cristiano Ronaldo dos Santos Aveiro GOIH ComM (European Portuguese: (kɾiʃˈtjɐnu ʁoˈnaɫdu); born 5 February 1985) is a Portuguese professional footballer who plays as a forward for Spanish club Real Madrid and the Portugal national team. Often considered the best player in the world and widely regarded as one of the greatest of all time, Ronaldo has a record - tying five Ballon d'Or awards, the most for a European player, and is the first player to win four European Golden Shoes. He has won 26 trophies in his career, including five league titles, five UEFA Champions League titles and one UEFA European Championship. A prolific goalscorer, Ronaldo holds the records for most official goals scored in Europe's top - five leagues (395), the UEFA Champions League (120), the UEFA European Championship (9), as well as those for most assists in the UEFA Champions League (34) and the UEFA European Championship (6). He has scored over 670 senior career goals for club and country.
Document 3: Cristiano Ronaldo: Cristiano Ronaldo dos Santos Aveiro GOIH, ComM (Portuguese pronunciation: (kɾiʃ'tjɐnu ʁuˈnaɫdu); born 5 February 1985) is a Portuguese professional footballer who plays as a forward for Spanish club Real Madrid and the Portugal national team. Often considered the best player in the world and widely regarded as one of the greatest of all time, Ronaldo has four FIFA Ballon d'Or awards, the most for a European player, and is the first player in history to win four European Golden Shoes. He has won 24 trophies in his career, including five league titles, four UEFA Champions League titles and one UEFA European Championship. A prolific goalscorer, Ronaldo holds the records for most official goals scored in the top five European leagues (372), the UEFA Champions League (107) and the UEFA European Championship (29), as well as the most goals scored in a UEFA Champions League season (17). He has scored more than 600 senior career goals for club and country.
Document 4: List of most-followed Instagram accounts: This list contains the top 25 accounts with the most followers on the social photo - sharing platform Instagram. As of May 2018, the most followed user is Instagram's own account, with over 235 million followers. Selena Gomez is the most followed individual, with over 137 million followers. Ten accounts have exceeded 100 million followers on the site.
Document 5: Cristiano Ronaldo: Cristiano Ronaldo GOIH, ComM Ronaldo at the 2017 FIFA Confederations Cup Full name Cristiano Ronaldo dos Santos Aveiro Date of birth (1985 - 02 - 05) 5 February 1985 (age 32) Place of birth Funchal, Madeira, Portugal Height 1.85 m (6 ft 1 in) Playing position Forward Club information Current team Real Madrid Number 7 Youth career 1992 -- 1995 Andorinha 1995 -- 1997 Nacional 1997 -- 2002 Sporting CP Senior career * Years Team Apps (Gls) 2002 -- 2003 Sporting CP B (0) 2002 -- 2003 Sporting CP 25 (3) 2003 -- 2009 Manchester United 196 (84) 2009 -- Real Madrid 270 (286) National team 2001 Portugal U15 9 (7) 2001 -- 2002 Portugal U17 7 (5) 2003 Portugal U20 5 (1) 2002 -- 2003 Portugal U21 10 (3) Portugal U23 (2) 2003 -- Portugal 147 (79) Honours (show) Representing Portugal UEFA European Championship Winner 2016 France Runner - up 2004 Portugal 2012 Poland & Ukraine FIFA Confederations Cup 2017 Russia * Senior club appearances and goals counted for the domestic league only and correct as of 23: 00, 22 October 2017 (UTC). ‡ National team caps and goals correct as of 22: 40, 10 October 2017 (UTC)
Document 6: List of most-followed Instagram accounts: Rank Chg Account name Owner Followers (millions) Profession Country 1. @ instagram Instagram 245 Social media platform USA 2. @ selenagomez Selena Gomez 140 Musician and actress USA 3. @ cristiano Cristiano Ronaldo 139 Footballer POR 4. @ arianagrande Ariana Grande 125 Musician and actress USA 5. @ beyonce Beyoncé 117 Musician and actress USA 6. @ kimkardashian Kim Kardashian 115 Reality TV personality USA 7. @ kyliejenner Kylie Jenner 113 Reality TV personality USA 8. @ therock Dwayne Johnson 112 Actor and professional wrestler USA 9. @ taylorswift Taylor Swift 111 Musician and actress USA 10. @ justinbieber Justin Bieber 102 Musician CAN 11. @ neymarjr Neymar 101 Footballer BRA 12. @ leomessi Lionel Messi 97 Footballer ARG 13. @ kendalljenner Kendall Jenner 93 Model USA 14. @ natgeo National Geographic 90 Magazine USA 15. @ nickiminaj Nicki Minaj 90 Musician TRI 16. @ nike Nike 79 Sportswear multinational corporation USA 17. @ jlo Jennifer Lopez 78 Musician and actress USA 18. @ khloekardashian Khloé Kardashian 77 Reality TV personality USA 19. @ mileycyrus Miley Cyrus 76 Musician and actress USA 20. @ katyperry Katy Perry 71 Musician USA 21. @ ddlovato Demi Lovato 71 Musician and actress USA 22. @ kourtneykardash Kourtney Kardashian 66 Reality TV personality USA 23. @ badgalriri Rihanna 64 Musician BAR 24. @ realmadrid Real Madrid C.F. 62 Football club ESP 25. @ kevinhart4real Kevin Hart 61 Comedian USA As of August 2, 2018
Document 7: Cristiano Ronaldo: Cristiano Ronaldo GOIH, ComM Ronaldo at the 2017 FIFA Confederations Cup Full name Cristiano Ronaldo dos Santos Aveiro Date of birth (1985 - 02 - 05) 5 February 1985 (age 32) Place of birth Funchal, Madeira, Portugal Height 1.87 m (6 ft 2 in) Playing position Forward Club information Current team Real Madrid Number 7 Youth career 1992 -- 1995 Andorinha 1995 -- 1997 Nacional 1997 -- 2002 Sporting CP Senior career * Years Team Apps (Gls) 2002 -- 2003 Sporting CP B (0) 2002 -- 2003 Sporting CP 25 (3) 2003 -- 2009 Manchester United 196 (84) 2009 -- Real Madrid 277 (289) National team Portugal U15 9 (7) 2001 -- 2002 Portugal U17 7 (5) 2003 Portugal U20 5 (1) 2002 -- 2003 Portugal U21 10 (3) Portugal U23 (2) 2003 -- Portugal 147 (79) Honours (show) Representing Portugal UEFA European Championship Winner 2016 France Runner - up 2004 Portugal 2012 Poland & Ukraine FIFA Confederations Cup 2017 Russia * Senior club appearances and goals counted for the domestic league only and correct as of 15: 00, 23 December 2017 (UTC). ‡ National team caps and goals correct as of 22: 40, 10 October 2017 (UTC)
Document 8: List of most-followed Instagram accounts: This list contains the top 50 accounts with the most followers on the social photo - sharing platform Instagram. As of October 2017, the most followed user is Instagram's own account, with over 227 million followers. Selena Gomez was the first individual to exceed 100 million followers while Cristiano Ronaldo was the first male to do so. As of October 2017, only seven accounts have reached 100 million followers on the site.
Document 9: Cristiano Ronaldo: Cristiano Ronaldo dos Santos Aveiro GOIH ComM (European Portuguese: [kɾiʃˈtjɐnu ʁoˈnaɫdu]; born 5 February 1985) is a Portuguese professional footballer who plays as a forward for Italian club Juventus and captains the Portugal national team. Often considered the best player in the world and  widely regarded as one of the greatest players of all time, Ronaldo has a record-tying five Ballon d'Or awards, the most for a European player, and is the first player to win four European Golden Shoes. He has won 29 trophies in his career, including six league titles, five UEFA Champions League's, one UEFA European Championship, and one UEFA Nations League. A prolific goalscorer, Ronaldo holds the records for most official goals scored in the UEFA Champions League (126), the UEFA European Championship (9), as well as those for most assists in the UEFA Champions League (34) and the UEFA European Championship (6). He has scored over 700 senior career goals for club and country.
Document 10: List of most-followed Instagram accounts: This list contains the top 25 accounts with the most followers on the social photo - sharing platform Instagram. As of February 2018, the most followed user is Instagram's own account, with over 232 million followers. Selena Gomez is the most followed individual, with over 133 million followers. Eight accounts have exceeded 100 million followers on the site.
Document 11: List of most-followed Instagram accounts: This list contains the top 50 accounts with the most followers on the social photo - sharing platform Instagram. As of October 2018, the most followed user is Instagram's own account, with over 260 million followers. Cristiano Ronaldo is the most followed individual, with over 144 million followers. Twelve accounts have exceeded 100 million followers on the site.
Document 12: List of most-followed Instagram accounts: This list contains the top 25 accounts with the most followers on the social photo - sharing platform Instagram. As of July 2018, the most followed user is Instagram's own account, with over 241 million followers. Selena Gomez is the most followed individual, with over 138 million followers. Ten accounts have exceeded 100 million followers on the site.
Document 13: List of most-followed Instagram accounts: This list contains the top 50 accounts with the most followers on the social photo - sharing platform Instagram. As of November 2017, the most followed user is Instagram's own account, with over 227 million followers. Selena Gomez is the most followed individual, with over 129 million followers. Seven accounts have exceeded 100 million followers on the site.
Document 14: Cristiano Ronaldo: Cristiano Ronaldo GOIH, ComM Ronaldo at the 2017 FIFA Confederations Cup Full name Cristiano Ronaldo dos Santos Aveiro Date of birth (1985 - 02 - 05) 5 February 1985 (age 32) Place of birth Funchal, Madeira, Portugal Height 1.85 m (6 ft 1 in) Playing position Forward Club information Current team Real Madrid Number 7 Youth career 1992 -- 1995 Andorinha 1995 -- 1997 Nacional 1997 -- 2002 Sporting CP Senior career * Years Team Apps (Gls) 2002 -- 2003 Sporting CP B (0) 2002 -- 2003 Sporting CP 25 (3) 2003 -- 2009 Manchester United 196 (84) 2009 -- Real Madrid 265 (285) National team 2001 Portugal U15 9 (7) 2001 -- 2002 Portugal U17 7 (5) 2003 Portugal U20 5 (1) 2002 -- 2003 Portugal U21 10 (3) Portugal U23 (2) 2003 -- Portugal 145 (78) Honours (show) Representing Portugal UEFA European Championship Winner 2016 France Runner - up 2004 Portugal 2012 Poland & Ukraine FIFA Confederations Cup 2017 Russia * Senior club appearances and goals counted for the domestic league only and correct as of 23: 00, 3 June 2017 (UTC). ‡ National team caps and goals correct as of 22: 40, 3 September 2017 (UTC)
Document 15: Cristiano Ronaldo: Cristiano Ronaldo Cristiano Ronaldo with Portugal at the 2018 FIFA World Cup Full name Cristiano Ronaldo dos Santos Aveiro Date of birth (1985 - 02 - 05) 5 February 1985 (age 33) Place of birth Funchal, Madeira, Portugal Height 1.85 m (6 ft 1 in) Playing position Forward Club information Current team Juventus Number 7 Youth career 1992 -- 1995 Andorinha 1995 -- 1997 Nacional 1997 -- 2002 Sporting CP Senior career * Years Team Apps (Gls) 2002 -- 2003 Sporting CP B (0) 2002 -- 2003 Sporting CP 25 (3) 2003 -- 2009 Manchester United 196 (84) 2009 -- 2018 Real Madrid 292 (311) 2018 -- Juventus 0 (0) National team Portugal U15 9 (7) 2001 -- 2002 Portugal U17 7 (5) 2003 Portugal U20 5 (1) 2002 -- 2003 Portugal U21 10 (3) Portugal U23 (2) 2003 -- Portugal 154 (85) Honours (show) Men's football Representing Portugal UEFA European Championship 2004 Portugal 2012 Poland & Ukraine 2016 France FIFA Confederations Cup 2017 Russia * Senior club appearances and goals counted for the domestic league only and correct as of 19 May 2018 ‡ National team caps and goals correct as of 30 June 2018
ground_truth: 2003
sub_queries: who is the first most followed person on instagram Answer: Cristiano Ronaldo
when did Cristiano Ronaldo go to manchester united Answer: 2003