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_87 ( total INTEGER, last VARCHAR )

### Question ###
What is the greatest total when the last was September 1970?

### Accurate SQL ###

SELECT MAX(total) FROM table_name_87 WHERE last = "september 1970"