Of the first 60,000 customers who sent a true response to the incentive mailing sent by the marketing department, how many of them are divorced males?
RESPONSE = 'true'; SEX = 'Male'; MARITAL_STATUS = 'Divorced';
SELECT COUNT(T1.ID) FROM Customers AS T1 INNER JOIN Mailings1_2 AS T2 ON T1.ID = T2.REFID WHERE T1.SEX = 'Male' AND T1.MARITAL_STATUS = 'Divorced' AND T2.RESPONSE = 'true'