user: Question: What is the total with lower than rank 8, and higher than 27.6 score and 13.8 difficulty?
Columns: ['Rank', 'Gymnast', 'Difficulty score', 'Routine score', 'Total']
Types: ['real', 'text', 'text', 'real', 'real']
Sample row: [1.0, 'Natalia Chernova ( RUS )', '—', 28.1, 66.8]
SQL:

assistant: SELECT "Total" FROM "Table" WHERE "Rank" > 8.0 AND "Routine score" > 27.6 AND "Difficulty score" = '13.8';