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 farm (Working_Horses INTEGER, Total_Horses INTEGER)

### Question ###
What is the average number of working horses of farms with more than 5000 total number of horses?

### Accurate SQL ###

SELECT AVG(Working_Horses) FROM farm WHERE Total_Horses > 5000