How many male patients have a normal level of both albumin and total protein?
male refers to Sex = 'M'; normal level of both albumin and total protein refers to ALB > 3.5 and ALB < 5.5 AND TP between 6.0 and 8.5;
SELECT COUNT(T1.ID) FROM Patient AS T1 INNER JOIN Laboratory AS T2 ON T1.ID = T2.ID WHERE T1.SEX = 'M' AND T2.ALB BETWEEN 3.5 AND 5.5 AND T2.TP BETWEEN 6.0 AND 8.5