user: Question: What is average for Cody & Julianne?
Columns: ['Rank by average', 'Place', 'Couple', 'Total points', 'Number of dances', 'Average']
Types: ['real', 'real', 'text', 'real', 'real', 'text']
Sample row: [1.0, 1.0, 'Brooke & Derek', 433.0, 16.0, '27.1']
SQL:

assistant: SELECT "Average" FROM "Table" WHERE "Couple" = 'Cody & Julianne';