CREATE TABLE table_56598 ("Season" FLOAT, "Driver" CLOB, "Co-Driver" CLOB, "Team" CLOB, "Tuner" CLOB, "Governing Body" CLOB)

Who is the turner on Team MRF?
SELECT "Tuner" FROM table_56598 WHERE "Team" = 'mrf'
SELECT "Tuner" FROM "table_56598" WHERE "Team" = 'mrf'