SELECT tuner FROM table_name_86 WHERE season > 2004 AND driver = "gaurav gill" AND team = "team mrf" AND governing_body = "mai"
Siapa tuner setelah musim 2004 dengan Gaurav Gill sebagai pengemudi, tim MRF, dan badan pemerintahan Mai?
CREATE TABLE table_name_86 (tuner VARCHAR, governing_body VARCHAR, team VARCHAR, season VARCHAR, driver VARCHAR)