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_1858574_2 ( sail_number VARCHAR, position VARCHAR )

### Question ###
When 3 is the position what is the sail number?

### Accurate SQL ###

SELECT sail_number FROM table_1858574_2 WHERE position = 3