CREATE TABLE table_name_53 (stories VARCHAR2, height__m_ VARCHAR2, year_of_completion VARCHAR2)

How many stories have a height less than 138 meters with a completion date in 1971?
SELECT stories FROM table_name_53 WHERE height__m_ < 138 AND year_of_completion = 1971
SELECT "stories" FROM "table_name_53" WHERE "height__m_" < 138 AND "year_of_completion" = 1971