CREATE TABLE "modern_competition" (
  "driver" text,
  "navigator" text,
  "vehicle" text,
  "class" text,
  "capacity" real,
  "total_time" text,
  "margin" text
);

Question: What is the average capacity for the vehicle having a navigator of Macneall?
SQL: SELECT AVG("capacity") FROM "modern_competition" WHERE "navigator"='macneall';

Question: Which vehicle had a class of CM14?
SQL: SELECT "vehicle" FROM "modern_competition" WHERE "class"='cm14';

Question: Who was the driver of the vehicle having class of CM22 and navigator of Macneall?
SQL: SELECT "driver" FROM "modern_competition" WHERE "class"='cm22' AND "navigator"='macneall';

Question: What is the total time of the vehicle having a navigator of Vandenberg?
SQL: SELECT "total_time" FROM "modern_competition" WHERE "navigator"='vandenberg';