CREATE TABLE table_46625 ("Player" TEXT, "Nationality" TEXT, "Position" TEXT, "Years for Grizzlies" TEXT, "School/Club Team" TEXT)

What position did the person who was with the grizzlies in 1998-1999 play?
SELECT "Position" FROM table_46625 WHERE "Years for Grizzlies" = '1998-1999'
SELECT "Position" FROM "table_46625" WHERE "Years for Grizzlies" = '1998-1999'