CREATE TABLE table_48594 ("Election" FLOAT, "Leader" TEXT, "# of seats won" FLOAT, "# of National votes" FLOAT, "% of National vote" TEXT, "# of Prefectural votes" FLOAT, "% of Prefectural vote" TEXT)

What is the average Election, when % Of Nation Vote is 45.23%, and when # Of Prefectural Votes is less than 14,961,199?
SELECT AVG("Election") FROM table_48594 WHERE "% of National vote" = '45.23%' AND "# of Prefectural votes" < '14,961,199'
SELECT AVG("Election") FROM "table_48594" WHERE "# of Prefectural votes" < '14,961,199' AND "% of National vote" = '45.23%'