Quem foi o vencedor do LMP2 quando a equipa vencedora do LMP1 era a 20a Oryx Dyson Racing?
CREATE TABLE table_27743641_2 (lmp2_winning_driver VARCHAR, lmp1_winning_team VARCHAR)
SELECT lmp2_winning_driver FROM table_27743641_2 WHERE lmp1_winning_team = "No. 20 Oryx Dyson Racing"