user: ### NOW ANSWER:
Question: Which track has the original album Turbulent Indigo?
Columns: ['Track', 'Title', 'Performer', 'Length', 'Original Album']
Types: ['real', 'text', 'text', 'text', 'text']
Sample row: [1.0, '" Free Man in Paris "', 'Sufjan Stevens', '5:01', 'Court and Spark']
SQL:

assistant: SELECT AVG("Track") FROM "Table" WHERE "Original Album" = 'Turbulent Indigo';