CREATE TABLE table_203_91 (id NUMBER, "year" NUMBER, "competition" CLOB, "venue" CLOB, "position" CLOB, "event" CLOB, "notes" CLOB)

in which olympic games did arasay thondike not finish in the top 20 ?
SELECT "year" FROM table_203_91 WHERE "competition" = 'olympic games' AND "position" > 20
SELECT "year" FROM "table_203_91" WHERE "competition" = 'olympic games' AND "position" > 20