Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_20540006_6 ( attendance INTEGER, challenge_leader VARCHAR )

### Question ###
What was the attendance for the game when the challenge leader was at Big East (4-2)?

### Accurate SQL ###

SELECT MAX(attendance) FROM table_20540006_6 WHERE challenge_leader = "Big East (4-2)"