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_19823 ( "States" text, "Fall 05" real, "Fall 06" real, "Fall 07" real, "Fall 08" real, "Fall 09" real )

### Question ###
What is the number of students in Fall 09 from the state that had 3940 in Fall 07?

### Accurate SQL ###

SELECT MAX("Fall 09") FROM table_19823 WHERE "Fall 07" = '3940'