CREATE TABLE "winners_of_the_circuit_des_ardennes" (
  "year" real,
  "formula" text,
  "driver" text,
  "constructor" text,
  "location" text,
  "report" text
);

Question: What is the highest year with a formula of Grand Prix?
SQL: SELECT MAX("year") FROM "winners_of_the_circuit_des_ardennes" WHERE "formula"='grand prix';

Question: Which formula had a driver of John Moore-Brabazon?
SQL: SELECT "formula" FROM "winners_of_the_circuit_des_ardennes" WHERE "driver"='john moore-brabazon';

Question: Which driver had a year under 1905?
SQL: SELECT "driver" FROM "winners_of_the_circuit_des_ardennes" WHERE "year"<1905;

Question: How many years had a formula of Grand Prix?
SQL: SELECT COUNT("year") FROM "winners_of_the_circuit_des_ardennes" WHERE "formula"='grand prix';

Question: Which location was won by George Heath?
SQL: SELECT "location" FROM "winners_of_the_circuit_des_ardennes" WHERE "driver"='george heath';