CREATE TABLE table_4156 ("Regiment" CLOB, "Company" CLOB, "Company Commander" CLOB, "Date of Election/Commission" CLOB, "County" CLOB)

How many company commanders were commissioned or elected on November 12, 1861?
SELECT COUNT("Company Commander") FROM table_4156 WHERE "Date of Election/Commission" = 'November 12, 1861'
SELECT COUNT("Company Commander") FROM "table_4156" WHERE "Date of Election/Commission" = 'November 12, 1861'