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 medicine (FDA_approved VARCHAR)

### Question ###
How many distinct FDA approval statuses are there for the medicines?

### Accurate SQL ###

SELECT COUNT(DISTINCT FDA_approved) FROM medicine