SCHEMA:
CREATE TABLE table_name_10 (years_in_orlando VARCHAR, player VARCHAR, nationality VARCHAR, position VARCHAR)
USER:
Which Years in Orlando has a Nationality of united states, a Position of center, and a Player of jawann oldham?

QUERY:
SELECT years_in_orlando FROM table_name_10 WHERE nationality = "united states" AND position = "center" AND player = "jawann oldham"