What is the average grid for johnny dumfries with less than 8 laps?
CREATE TABLE table_52884 (
    "Driver" text,
    "Constructor" text,
    "Laps" real,
    "Time/Retired" text,
    "Grid" real
)
SELECT AVG("Grid") FROM table_52884 WHERE "Driver" = 'johnny dumfries' AND "Laps" < '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: What is the average grid for johnny dumfries with less than 8 laps? ### Input: CREATE TABLE table_52884 (
    "Driver" text,
    "Constructor" text,
    "Laps" real,
    "Time/Retired" text,
    "Grid" real
) ### Response: SELECT AVG("Grid") FROM table_52884 WHERE "Driver" = 'johnny dumfries' AND "Laps" < '8'