user: Question: What is the total of the team with a T score less than 6.8?
Columns: ['Nation', 'T Score', 'A Score', 'E Score', 'Total']
Types: ['text', 'real', 'real', 'real', 'real']
Sample row: ['Greece', 8.1, 7.95, 8.4, 24.45]
SQL:

assistant: SELECT "Total" FROM "Table" WHERE "T Score" < 6.8;