Qual era a classe quando a Adt Champion Racing ficou em primeiro com um chassi Audi R8 e menos de 206 pontos?
CREATE TABLE table_name_2 (class VARCHAR, rank VARCHAR, entrant VARCHAR, points VARCHAR, chassis VARCHAR)
SELECT class FROM table_name_2 WHERE points < 206 AND chassis = "audi r8" AND entrant = "adt champion racing" AND rank = "1st"