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_3 ( quantity_made VARCHAR, inchicore_class VARCHAR )

### Question ###
What was the quantity for Inchicore of J7?

### Accurate SQL ###

SELECT quantity_made FROM table_name_3 WHERE inchicore_class = "j7"