Tell me the total number of Grid for Bob Evans and Laps less than 68
CREATE TABLE table_52397 (
    "Driver" text,
    "Constructor" text,
    "Laps" real,
    "Time/Retired" text,
    "Grid" real
)
SELECT COUNT("Grid") FROM table_52397 WHERE "Driver" = 'bob evans' AND "Laps" < '68'
Below are sql tables schemas paired with instruction that describes a task. Using valid SQLite, write a response that appropriately completes the request for the provided tables. ### Instruction: Tell me the total number of Grid for Bob Evans and Laps less than 68 ### Input: CREATE TABLE table_52397 (
    "Driver" text,
    "Constructor" text,
    "Laps" real,
    "Time/Retired" text,
    "Grid" real
) ### Response: SELECT COUNT("Grid") FROM table_52397 WHERE "Driver" = 'bob evans' AND "Laps" < '68'