CREATE TABLE table_203_436 (id NUMBER, "year" NUMBER, "competition" CLOB, "venue" CLOB, "position" CLOB, "notes" CLOB)

what was china 's average position in the asian championships between 2002 and 2009 ?
SELECT AVG("position") FROM table_203_436 WHERE "competition" = 'asian championships'
SELECT AVG("position") FROM "table_203_436" WHERE "competition" = 'asian championships'