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_20018310_1 (irrigation_district VARCHAR, users___number_ VARCHAR)

### Question ###
Which irrigation district has 4733 users?

### Accurate SQL ###

SELECT irrigation_district FROM table_20018310_1 WHERE users___number_ = 4733