Question: Which Notes have a Competition of World Championships, and a Position of 2nd?
SQL: SELECT "Notes" FROM "2-18977789-1" WHERE "Competition" = 'World Championships' AND "Position" = '2nd';

Question: What was the venue after 2012?
SQL: SELECT "Venue" FROM "2-18977789-1" WHERE "Year" > 2012.0;

Question: What were the notes in 2011?
SQL: SELECT "Notes" FROM "2-18977789-1" WHERE "Year" = 2011.0;

Question: Which Year has a Position of 9th?
SQL: SELECT AVG("Year") FROM "2-18977789-1" WHERE "Position" = '9th';