SELECT gto_winning_team FROM table_13642023_2 WHERE rnd = 5 AND gtu_winning_team = "#59 Brumos Porsche - Audi"
Siapa tim pemenang GTO di Babak 5 ketika tim pemenang GTU adalah #59 Brumos Porsche - Audi?
CREATE TABLE table_13642023_2 (gto_winning_team VARCHAR, rnd VARCHAR, gtu_winning_team VARCHAR)