Question: What is the total number of years wehre anna thompson had a 3rd place result at edinburgh, scotland?
SQL: SELECT COUNT("Year") FROM "2-17218317-1" WHERE "Result" = '3rd' AND "Venue" = 'edinburgh, scotland';

Question: What year did anna thompson have a 7th place result?
SQL: SELECT "Year" FROM "2-17218317-1" WHERE "Result" = '7th';

Question: What is the average year that anna thompson had an 8th place result in team competition at the world cross country championships in st etienne, france with
SQL: SELECT AVG("Year") FROM "2-17218317-1" WHERE "Tournament" = 'world cross country championships' AND "Venue" = 'st etienne, france' AND "Extra" = 'team competition' AND "Result" = '8th';