CREATE TABLE "achievements" (
  "year" real,
  "competition" text,
  "venue" text,
  "position" text,
  "notes" text
);

Question: What is the average year in which the finish position was 13th?
SQL: SELECT AVG("year") FROM "achievements" WHERE "position"='13th';

Question: What is the average year for the Olympic Games?
SQL: SELECT AVG("year") FROM "achievements" WHERE "competition"='olympic games';