CREATE TABLE table_27615445_1 (episode_air_date VARCHAR2, audition_venue VARCHAR2)

List all episode air dates that auditioned at Nego Quirido Sambadrome?
SELECT episode_air_date FROM table_27615445_1 WHERE audition_venue = "Nego Quirido Sambadrome"
SELECT "episode_air_date" FROM "table_27615445_1" WHERE "Nego Quirido Sambadrome" = "audition_venue"