CREATE TABLE table_39899 ("Player" TEXT, "Nationality" TEXT, "Position" TEXT, "Years in Orlando" TEXT, "School/Club Team" TEXT)

Which Nationality has a Position of center, and a Years in Orlando of 2010 2012?
SELECT "Nationality" FROM table_39899 WHERE "Position" = 'center' AND "Years in Orlando" = '2010–2012'
SELECT "Nationality" FROM "table_39899" WHERE "Position" = 'center' AND "Years in Orlando" = '2010–2012'