CREATE TABLE table_52222 ("County" TEXT, "1900" FLOAT, "1930" FLOAT, "1950" FLOAT, "2000" FLOAT, "2006 est." FLOAT)

What is the highest 1930 population when the 2000 population is 43,966 and the 1900 population is less than 8,401?
SELECT MAX("1930") FROM table_52222 WHERE "2000" = '43,966' AND "1900" < '8,401'
SELECT MAX("1930") FROM "table_52222" WHERE "1900" < '8,401' AND "2000" = '43,966'