user: Question: Name the least rank by average for number of dances less than 9 and competition finish of 5
Columns: ['Rank by average', 'Competition finish', 'Couple', 'Total', 'Number of dances', 'Average']
Types: ['real', 'real', 'text', 'real', 'real', 'real']
Sample row: [1.0, 1.0, 'Alesha & Matthew', 584.0, 16.0, 36.5]
SQL:

assistant: SELECT MIN("Rank by average") FROM "Table" WHERE "Competition finish" = 5.0 AND "Number of dances" < 9.0;