What's the rank for February 11, 2012 with less than 18,735 in attendance?
CREATE TABLE table_79433 (
    "Rank" real,
    "Attendance" real,
    "Opponent" text,
    "Result" text,
    "Date" text
)
SELECT AVG("Rank") FROM table_79433 WHERE "Date" = 'february 11, 2012' AND "Attendance" < '18,735'
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's the rank for February 11, 2012 with less than 18,735 in attendance? ### Input: CREATE TABLE table_79433 (
    "Rank" real,
    "Attendance" real,
    "Opponent" text,
    "Result" text,
    "Date" text
) ### Response: SELECT AVG("Rank") FROM table_79433 WHERE "Date" = 'february 11, 2012' AND "Attendance" < '18,735'