CREATE TABLE table_33387 ("General election" FLOAT, "# of candidates" FLOAT, "# of seats won" FLOAT, "% of popular vote" TEXT, "Result" TEXT)

What is the # of candidates of liberal majority with 51 wins and larger number of 2008 in general elections?
SELECT AVG("# of candidates") FROM table_33387 WHERE "Result" = 'liberal majority' AND "# of seats won" = '51' AND "General election" > '2008'
SELECT AVG("# of candidates") FROM "table_33387" WHERE "# of seats won" = '51' AND "General election" > '2008' AND "Result" = 'liberal majority'