CREATE TABLE table_name_7 (location VARCHAR2, built VARCHAR2, name VARCHAR2)

What is the location of the Durfee Mill No. 1, built before 1872 ?
SELECT location FROM table_name_7 WHERE built < 1872 AND name = "durfee mill no. 1"
SELECT "location" FROM "table_name_7" WHERE "built" < 1872 AND "durfee mill no. 1" = "name"