CREATE TABLE table_name_27 (born VARCHAR, age_at_first_step VARCHAR)

The Apollo astronaut who was 38y 9m 7d when first stepping on the moon is who?
SELECT born FROM table_name_27 WHERE age_at_first_step = "38y 9m 7d"
SELECT "born" FROM "table_name_27" WHERE "38y 9m 7d" = "age_at_first_step"