question: What nationality is John P. Angelos's father?
context: [["Mitch Morris", ["Mitch Morris( born October 15, 1979) is an American actor.", "His full birth name is John Mitchell Morris."]], ["Robert Casad", ["Robert Clair Casad (born December 8, 1929) is a John H. and John M. Kane Professor Emeritus at the University of Kansas School of Law."]], ["D. A. Miller", ["D. A. Miller( born 1948) is an American literary critic and film scholar.", "He is John F. Hotchkis Professor Emeritus and Professor of the Graduate School in the Department of English at the University of California, Berkeley."]], ["Ali Rahuma", ["Ali Khalifa Rahuma( born May 16, 1982) is a Libyan football midfielder who's nationality is Libyan.", "He currently plays for Al- Ittihad, and is a member of the Libya national football team."]], ["Peter Angelos", ["Peter G. Angelos (born July 4, 1929) is an American trial lawyer.", "Angelos is also the majority owner of the Baltimore Orioles, a team in the American League of Major League Baseball."]], ["John P. Angelos", ["John P. Angelos is the Executive Vice President of the Baltimore Orioles, a position he has held since April 1999, leading the club's front office and overseeing day-to-day business operations.", "He also serves as President and Chief Operating Officer of the Mid-Atlantic Sports Network (MASN), overseeing the network's business operations.", "Angelos is the elder son of Baltimore Orioles owner Peter Angelos."]], ["Nicholas Abbott", ["Nicholas L. Abbott is a John T. and Magdalen L. Sobota and Hilldale Professor in chemical and biological engineering at Cornell University."]], ["John P. Burgess", ["John Patton Burgess( born 5 June 1948) is John N. Woodhull Professor of Philosophy at Princeton University where he specializes in logic and philosophy of mathematics."]], ["John Angelos (sebastokrator)", ["John Angelos was a Byzantine aristocrat, general, and governor.", "He first distinguished himself in the suppression of a revolt in Epirus in 1339 \u2013 1340, where he was subsequently appointed as governor.", "A relative of the statesman and emperor John VI Kantakouzenos, he took the latter's side in the Byzantine civil war of 1341 \u2013 1347 and in late 1342 received the governorship of Thessaly( and possibly Epirus), which he held until his death in 1348."]], ["John Angelos (protostrator)", ["John Angelos was a senior official of the Empire of Nicaea.", "Of low birth, he was one of the favourites of Emperor Theodore II Laskaris( r. 1254\u2013 58), who promoted him to the rank of\" pr\u014dtostrat\u014dr\" in 1255, from the rank of\" megas primik\u0113rios\".", "He died soon after Theodore's death, possibly committing suicide when the nobles under Michael Palaiologos took power."]]]
supporting_facts: [["John P. Angelos", 2], ["Peter Angelos", 0]]
evidences: [["John P. Angelos", "father", "Peter Angelos"], ["Peter Angelos", "country of citizenship", "American"]]
answer: American