What was the attendance for the game when the challenge leader was at Big East (4-2)?
CREATE TABLE table_20540006_6 (
    attendance INTEGER,
    challenge_leader VARCHAR
)
SELECT MAX(attendance) FROM table_20540006_6 WHERE challenge_leader = "Big East (4-2)"
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 was the attendance for the game when the challenge leader was at Big East (4-2)? ### Input: CREATE TABLE table_20540006_6 (
    attendance INTEGER,
    challenge_leader VARCHAR
) ### Response: SELECT MAX(attendance) FROM table_20540006_6 WHERE challenge_leader = "Big East (4-2)"