CREATE TABLE table_33638 ("Player" CLOB, "Nationality" CLOB, "Position" CLOB, "From" CLOB, "School/Country" CLOB)

What is the nationality of the forward/center who started playing in 1951?
SELECT "Nationality" FROM table_33638 WHERE "Position" = 'forward/center' AND "From" = '1951'
SELECT "Nationality" FROM "table_33638" WHERE "From" = '1951' AND "Position" = 'forward/center'