Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_name_15 (pop__2004_ INTEGER, governorate VARCHAR, area_km² VARCHAR)

### Question ###
Count the sum of Pop (2004) which has a Governorate of al mahrah with an Area km² smaller than 78,073?

### Accurate SQL ###

SELECT SUM(pop__2004_) FROM table_name_15 WHERE governorate = "al mahrah" AND area_km² < 78 OFFSET 073