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 web_client_accelerator ( client VARCHAR )

### Question ###
How many different kinds of clients are supported by the web clients accelerators?

### Accurate SQL ###

SELECT COUNT(DISTINCT client) FROM web_client_accelerator