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_23597 ( "Draw" real, "Artist" text, "Song" text, "Regions" real, "Studio Audience" real, "Press Jury" real, "Oil Rig" real, "Total Points" real, "Place" text )

### Question ###
What's the oil rig of the song that ended on 7th place?

### Accurate SQL ###

SELECT "Oil Rig" FROM table_23597 WHERE "Place" = '7th'