user: Question: What is the average Election, when % Of Nation Vote is 45.23%, and when # Of Prefectural Votes is less than 14961199?
Columns: ['Election', 'Leader', '# of seats won', '# of National votes', '% of National vote', '# of Prefectural votes', '% of Prefectural vote']
Types: ['real', 'text', 'real', 'real', 'text', 'real', 'text']
Sample row: [1956.0, 'Ichirō Hatoyama', 61.0, 11356874.0, '39.7%', 14353960.0, '48.4%']
SQL:

assistant: SELECT AVG("Election") FROM "Table" WHERE "% of National vote" = '45.23%' AND "# of Prefectural votes" < 14961199.0;