CREATE TABLE table_50468 ("Municipality" TEXT, "Inhabitants" FLOAT, "Mayor" TEXT, "Party" TEXT, "Election" FLOAT)

How many Inhabitants were there after 2009 in the Municipality with a Party of union for trentino?
SELECT AVG("Inhabitants") FROM table_50468 WHERE "Party" = 'union for trentino' AND "Election" > '2009'
SELECT AVG("Inhabitants") FROM "table_50468" WHERE "Election" > '2009' AND "Party" = 'union for trentino'