CREATE TABLE table_name_20 (prom__m_ VARCHAR2, class VARCHAR2, height__m_ VARCHAR2)

What is the prom with Hewitt class and a Height (m) of 715?
SELECT prom__m_ FROM table_name_20 WHERE class = "hewitt" AND height__m_ = 715
SELECT "prom__m_" FROM "table_name_20" WHERE "class" = "hewitt" AND "height__m_" = 715