CREATE TABLE "complete_24_hours_of_le_mans_results" (
  "year" real,
  "class" text,
  "tyres" text,
  "team" text,
  "co_drivers" text,
  "pos" text,
  "class_pos" text
);

Question: Who was the co-driver that had a class position of 2nd?
SQL: SELECT "co_drivers" FROM "complete_24_hours_of_le_mans_results" WHERE "class_pos"='2nd';

Question: Which tires were in Class C in years before 1983?
SQL: SELECT "tyres" FROM "complete_24_hours_of_le_mans_results" WHERE "class"='c' AND "year"<1983;

Question: What is the earliest year that had a co-driver of Roger Enever?
SQL: SELECT MIN("year") FROM "complete_24_hours_of_le_mans_results" WHERE "co_drivers"='roger enever';