user: Question: What's the oil rig of the song that ended on 7th place?
Columns: ['Draw', 'Artist', 'Song', 'Regions', 'Studio Audience', 'Press Jury', 'Oil Rig', 'Total Points', 'Place']
Types: ['real', 'text', 'text', 'real', 'real', 'real', 'real', 'real', 'text']
Sample row: [1.0, 'Susanne Fuhr', '"Hollywood"', 18.0, 5.0, 1.0, 3.0, 27.0, '8th']
SQL:

assistant: SELECT "Oil Rig" FROM "Table" WHERE "Place" = '7th';