user: Question: What is the average React, when Mark is less than 7.93?
Columns: ['Lane', 'Name', 'Country', 'Mark', 'React']
Types: ['real', 'text', 'text', 'real', 'real']
Sample row: [5.0, 'LoLo Jones', 'United States', 7.8, 0.161]
SQL:

assistant: SELECT AVG("React") FROM "Table" WHERE "Mark" < 7.93;