CREATE TABLE table_36580 ("Player" TEXT, "Touchdowns  ( 5 points ) " FLOAT, "Extra points 1 point" FLOAT, "Field goals  ( 5 points ) " FLOAT, "Total Points" FLOAT)

Which Extra points 1 point is the lowest one that has a Player of walter shaw?
SELECT MIN("Extra points 1 point") FROM table_36580 WHERE "Player" = 'walter shaw'
SELECT MIN("Extra points 1 point") FROM "table_36580" WHERE "Player" = 'walter shaw'