Name the average year for brookvale oval and margin more than 46
CREATE TABLE table_68118 (
    "Margin" real,
    "Score" text,
    "Opponent" text,
    "Venue" text,
    "Year" real
)
SELECT AVG("Year") FROM table_68118 WHERE "Venue" = 'brookvale oval' AND "Margin" > '46'
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 average year for brookvale oval and margin more than 46 ### Input: CREATE TABLE table_68118 (
    "Margin" real,
    "Score" text,
    "Opponent" text,
    "Venue" text,
    "Year" real
) ### Response: SELECT AVG("Year") FROM table_68118 WHERE "Venue" = 'brookvale oval' AND "Margin" > '46'