CREATE TABLE table_33813 ("Date" TEXT, "Candidates nominated" FLOAT, "Candidates elected" TEXT, "Votes" FLOAT, "% of national vote" FLOAT)

How many votes were tallied in 1956 with a % of national vote larger than 11.47?
SELECT SUM("Votes") FROM table_33813 WHERE "Date" = '1956' AND "% of national vote" > '11.47'
SELECT SUM("Votes") FROM "table_33813" WHERE "% of national vote" > '11.47' AND "Date" = '1956'