How many male customers who were born between 1974 and 1976 have made a payment on their home in excess of $4000?
Man and male refers to gender = 'M'; 'SIPO' stands for household payment
SELECT COUNT(T1.account_id) FROM trans AS T1 INNER JOIN account AS T2 ON T1.account_id = T2.account_id INNER JOIN client AS T3 ON T2.district_id = T3.district_id WHERE STRFTIME('%Y', T3.birth_date) BETWEEN '1974' AND '1976' AND T3.gender = 'M' AND T1.amount > 4000 AND T1.k_symbol = 'SIPO'