Table: kenya_regions
Columns: code
county
former_province
area_km_2
population_census_2009
capital

Question: what is the number of area where the county is marsabit?
SQL: SELECT COUNT("area_km_2") FROM kenya_regions WHERE "county" = 'Marsabit'

Question: what is the code of population census 2009 is 1356301?
SQL: SELECT "code" FROM kenya_regions WHERE "population_census_2009" = 1356301