Ошибка при выполнении Update

UPDATE hs SET hs.Hmin = (10 + 3*(hb.[Количество этажей] -1)) 
FROM [Расчет водопроводных сетей] AS hs, [Здание] AS hb 
WHERE (hs.typeid = 5) AND hs.Geometry.STWithIn(hb.GEometry)

SELECT hs.Sys, hb.[Количество этажей] 
FROM [Расчет водопроводных сетей] as hs, [Здание] as hb 
where (hs.typeid = 5) and hs.Geometry.STWithin(hb.geometry);