CREATE TABLE table_54481 ("Track" FLOAT, "Title" TEXT, "Performer" TEXT, "Length" TEXT, "Original Album" TEXT)

Which track has the original album turbulent indigo?
SELECT AVG("Track") FROM table_54481 WHERE "Original Album" = 'turbulent indigo'
SELECT AVG("Track") FROM "table_54481" WHERE "Original Album" = 'turbulent indigo'