CREATE TABLE table_8518 ("Player" CLOB, "Nationality" CLOB, "Position" CLOB, "Years for Grizzlies" CLOB, "School/Club Team" CLOB)

What are years that Obinna Ekezie played for the Grizzlies?
SELECT "Years for Grizzlies" FROM table_8518 WHERE "Player" = 'obinna ekezie'
SELECT "Years for Grizzlies" FROM "table_8518" WHERE "Player" = 'obinna ekezie'