user: Question: What is the total number of Lane, when Mark is "7.93", and when React is less than 0.145?
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 COUNT("Lane") FROM "Table" WHERE "Mark" = 7.93 AND "React" < 0.145;