What is the mean number of against when the position is less than 1?
CREATE TABLE table_42834 (
    "Position" real,
    "Team" text,
    "Points" real,
    "Played" real,
    "Drawn" real,
    "Lost" real,
    "Against" real,
    "Difference" text
)
SELECT AVG("Against") FROM table_42834 WHERE "Position" < '1'
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 mean number of against when the position is less than 1? ### Input: CREATE TABLE table_42834 (
    "Position" real,
    "Team" text,
    "Points" real,
    "Played" real,
    "Drawn" real,
    "Lost" real,
    "Against" real,
    "Difference" text
) ### Response: SELECT AVG("Against") FROM table_42834 WHERE "Position" < '1'