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_851 ( "Rnd" real, "Circuit" text, "GTO Winning Team" text, "GTU Winning Team" text, "TO Winning Team" text, "TU Winning Team" text, "Results" text )

### Question ###
Who was the GTO winning team in round 5 when the GTU winning team was #59 Brumos Porsche - Audi?

### Accurate SQL ###

SELECT "GTO Winning Team" FROM table_851 WHERE "Rnd" = '5' AND "GTU Winning Team" = '#59 Brumos Porsche - Audi'