SELECT years_in_orlando FROM table_name_10 WHERE nationality = "united states" AND position = "center" AND player = "jawann oldham"
Bertahun -tahun di Orlando mana yang memiliki kewarganegaraan Amerika Serikat, posisi pusat, dan pemain Jawann Oldham?
CREATE TABLE table_name_10 (years_in_orlando VARCHAR, player VARCHAR, nationality VARCHAR, position VARCHAR)