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_name_18 (winner_2nd VARCHAR, race VARCHAR)

### Question ###
Who was the winner/2nd place finisher in the Caulfield Guineas?

### Accurate SQL ###

SELECT winner_2nd FROM table_name_18 WHERE race = "caulfield guineas"