<|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 weight with a cross section area of 25.3?

SQL Table Create Statement:
CREATE TABLE table_2071644_2 (weight__kg_m_ VARCHAR, cross_section_area__cm_2__ VARCHAR)<|end|><|assistant|><codestart type="sql">SELECT weight__kg_m_ FROM table_2071644_2 WHERE cross_section_area__cm_2__ = "25.3"</codeend><|end|>