What is the average Year Named, when Latitude is 37.9N, and when Diameter (km) is greater than 76?
CREATE TABLE table_77199 (
    "Name" text,
    "Latitude" text,
    "Longitude" text,
    "Diameter (km)" real,
    "Year named" real
)
SELECT AVG("Year named") FROM table_77199 WHERE "Latitude" = '37.9n' AND "Diameter (km)" > '76'
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 Year Named, when Latitude is 37.9N, and when Diameter (km) is greater than 76? ### Input: CREATE TABLE table_77199 (
    "Name" text,
    "Latitude" text,
    "Longitude" text,
    "Diameter (km)" real,
    "Year named" real
) ### Response: SELECT AVG("Year named") FROM table_77199 WHERE "Latitude" = '37.9n' AND "Diameter (km)" > '76'