user: Question: Count the sum of Pop (2004) which has a Governorate of al mahrah with an Area km² smaller than 78073?
Columns: ['Governorate', 'Capital City', 'Area km²', 'Pop (2004)', 'Map Key']
Types: ['text', 'text', 'real', 'real', 'real']
Sample row: ["'Adan", 'Aden', 825.0, 589419.0, 1.0]
SQL:

assistant: SELECT SUM("Pop (2004)") FROM "Table" WHERE "Governorate" = 'al mahrah' AND "Area km²" < 78073.0;