CREATE TABLE table_2071644_2 (weight__kg_m_ VARCHAR2, cross_section_area__cm_2__ VARCHAR2)

What is the weight with a cross section area of 25.3?
SELECT weight__kg_m_ FROM table_2071644_2 WHERE cross_section_area__cm_2__ = "25.3"
SELECT "weight__kg_m_" FROM "table_2071644_2" WHERE "25.3" = "cross_section_area__cm_2__"