What is the number of inhabitants of male customers ages from 20 to 30 years old who are farming or fishing?
male customers ages from 20 to 30 years old refer to SEX = 'Male' where age BETWEEN 20 AND 30; farming or fishing refers to OCCUPATION; number of inhabitants refers to INHABITANTS_K;
SELECT T2.INHABITANTS_K FROM Customers AS T1 INNER JOIN Demog AS T2 ON T1.GEOID = T2.GEOID WHERE T1.OCCUPATION = 'Farming-fishing' AND T1.SEX = 'Male' AND T1.age >= 20 AND T1.age <= 30