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_15055594_6 (fall_09 INTEGER, fall_06 VARCHAR)

### Question ###
What was the highest number of students in Fall 09 in the state that had 3821 in Fall 06?

### Accurate SQL ###

SELECT MAX(fall_09) FROM table_15055594_6 WHERE fall_06 = 3821