CREATE TABLE table_331 ("Player" CLOB, "No. ( s ) " CLOB, "Height in Ft." CLOB, "Position" CLOB, "Years for Rockets" CLOB, "School/Club Team/Country" CLOB)

How many times did a center that attended Oral Roberts play for the Rockets?
SELECT COUNT("Years for Rockets") FROM table_331 WHERE "Position" = 'Center' AND "School/Club Team/Country" = 'Oral Roberts'
SELECT COUNT("Years for Rockets") FROM "table_331" WHERE "Position" = 'Center' AND "School/Club Team/Country" = 'Oral Roberts'