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 table_name_39 ( head_of_household VARCHAR, task_no VARCHAR )

### Question ###
Who is the head of household for task number 7?

### Accurate SQL ###

SELECT head_of_household FROM table_name_39 WHERE task_no = 7