CREATE TABLE table_34777 ("County" TEXT, "Monument name" TEXT, "Year built" FLOAT, "City or Town" TEXT, "Latitude" TEXT, "Longitude" TEXT)

What County was built after 1920 with a Latitude of 37 40 30'n?
SELECT "County" FROM table_34777 WHERE "Year built" > '1920' AND "Latitude" = '37°40′30"n'
SELECT "County" FROM "table_34777" WHERE "Latitude" = '37°40′30"n' AND "Year built" > '1920'