What is the lowest amount of losses the United States, ranked higher than 3 with more than 6 wins, have?
CREATE TABLE table_67840 (
    "Rank" real,
    "Team" text,
    "Wins" real,
    "Losses" real,
    "Runs Allowed" real,
    "Run Ratio" real
)
SELECT MIN("Losses") FROM table_67840 WHERE "Rank" < '3' AND "Team" = 'united states' AND "Wins" > '6'
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 lowest amount of losses the United States, ranked higher than 3 with more than 6 wins, have? ### Input: CREATE TABLE table_67840 (
    "Rank" real,
    "Team" text,
    "Wins" real,
    "Losses" real,
    "Runs Allowed" real,
    "Run Ratio" real
) ### Response: SELECT MIN("Losses") FROM table_67840 WHERE "Rank" < '3' AND "Team" = 'united states' AND "Wins" > '6'