Table: brm_1950_race
Columns: date
event
circuit
driver
race

Question: Which Driver has a Date of 16th september 1951, and a Race of dns?
SQL: SELECT "driver" FROM brm_1950_race WHERE "date" = '16th september 1951' AND "race" = 'dns'

Question: At which race did reg parnell win the goodwood trophy?
SQL: SELECT "race" FROM brm_1950_race WHERE "event" = 'goodwood trophy' AND "driver" = 'reg parnell'

Question: Which Race has a Date of 31st may 1953, and an Event of grand prix de l'albigeois final?
SQL: SELECT "race" FROM brm_1950_race WHERE "date" = '31st may 1953' AND "event" = 'grand prix de l''albigeois final'