CREATE TABLE table_26362472_1 (election_date VARCHAR, left_office VARCHAR)

What is the election date for those politicians who left office on 1850-11-15?
SELECT COUNT(election_date) FROM table_26362472_1 WHERE left_office = "1850-11-15"
SELECT COUNT("election_date") FROM "table_26362472_1" WHERE "1850-11-15" = "left_office"