CREATE TABLE table_15866 ("Player" TEXT, "No." FLOAT, "Nationality" TEXT, "Position" TEXT, "Years in Toronto" TEXT, "School/Club Team" TEXT)

Which school did Herb Williams go to?
SELECT "School/Club Team" FROM table_15866 WHERE "Player" = 'Herb Williams'
SELECT "School/Club Team" FROM "table_15866" WHERE "Player" = 'Herb Williams'