<|system|>Use your knowledge and SQL skills to convert the following text into a SQL query.
Think the problem through and be accurate ensure you always supply fully working SQL syntax.

SQL Statments should be wrapped in <codestart type="sql"> and </codeend> tags.

Example output:
<codestart type="sql">SELECT * FROM table_name;</codeend>
<codestart type="sql">SELECT column_name FROM table_name WHERE column_name = 'value';</codeend><|end|><|user|>What is the location of the Durfee Mill No. 1, built before 1872 ?

SQL Table Create Statement:
CREATE TABLE table_name_7 (location VARCHAR, built VARCHAR, name VARCHAR)<|end|><|assistant|><codestart type="sql">SELECT location FROM table_name_7 WHERE built < 1872 AND name = "durfee mill no. 1"</codeend><|end|>