Database: simpson_episodes
Question: What are the characters that were nominated for Primetime Emmy Award from 2009 to 2010 but did not win?
SQL: SELECT T2.character FROM Award AS T1 INNER JOIN Character_Award AS T2 ON T1.award_id = T2.award_id WHERE T1.award_category = 'Primetime Emmy' AND T1.year BETWEEN 2009 AND 2010 AND T1.result != 'Winner';