Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE PersonFriend ( name varchar(20), friend varchar(20), year INTEGER )
TABLE: CREATE TABLE Person ( name varchar(20), age INTEGER, city TEXT, gender TEXT, job TEXT )

### Question ###
Visualize a pie chart with what is average age of male for different job title?

### Accurate SQL ###

SELECT job, AVG(age) FROM Person WHERE gender = 'male' GROUP BY job