When the United States had a total score of 274 what was the average year?
CREATE TABLE table_name_67 (
    year INTEGER,
    total_score VARCHAR,
    country VARCHAR
)
SELECT AVG(year) FROM table_name_67 WHERE total_score = "274" AND country = "united states"
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: When the United States had a total score of 274 what was the average year? ### Input: CREATE TABLE table_name_67 (
    year INTEGER,
    total_score VARCHAR,
    country VARCHAR
) ### Response: SELECT AVG(year) FROM table_name_67 WHERE total_score = "274" AND country = "united states"