Name the total number of laps with rank of 8
CREATE TABLE table_67790 (
    "Year" text,
    "Start" text,
    "Qual" text,
    "Rank" text,
    "Finish" text,
    "Laps" real
)
SELECT COUNT("Laps") FROM table_67790 WHERE "Rank" = '8'
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: Name the total number of laps with rank of 8 ### Input: CREATE TABLE table_67790 (
    "Year" text,
    "Start" text,
    "Qual" text,
    "Rank" text,
    "Finish" text,
    "Laps" real
) ### Response: SELECT COUNT("Laps") FROM table_67790 WHERE "Rank" = '8'