CREATE TABLE table_50098 ("Player" CLOB, "Nationality" CLOB, "Position" CLOB, "Years for Grizzlies" CLOB, "School/Club Team" CLOB)

What is the nationality of Duke?
SELECT "Nationality" FROM table_50098 WHERE "School/Club Team" = 'duke'
SELECT "Nationality" FROM "table_50098" WHERE "School/Club Team" = 'duke'