user: Question: What is the rank by average where the total was larger than 245 and the average was 27.1 with fewer than 15 dances?
Columns: ['Rank by average', 'Place', 'Couple', 'Total', 'Number of dances', 'Average']
Types: ['real', 'real', 'text', 'real', 'real', 'real']
Sample row: [1.0, 2.0, 'Mel & Maksim', 414.0, 15.0, 27.6]
SQL:

assistant: SELECT "Rank by average" FROM "Table" WHERE "Total" > 245.0 AND "Average" = 27.1 AND "Number of dances" < 15.0;