CREATE TABLE table_48593 ("Election" FLOAT, "Leader" CLOB, "# of seats won" FLOAT, "# of National votes" FLOAT, "% of National vote" CLOB, "# of Prefectural votes" FLOAT, "% of Prefectural vote" CLOB)

What is the average Election, when % Of Prefectural Vote is 38.57%, and when # Of Prefectural Votes is greater than 21,114,727?
SELECT AVG("Election") FROM table_48593 WHERE "% of Prefectural vote" = '38.57%' AND "# of Prefectural votes" > '21,114,727'
SELECT AVG("Election") FROM "table_48593" WHERE "# of Prefectural votes" > '21,114,727' AND "% of Prefectural vote" = '38.57%'