user: Question:  how many total population with catholic being smaller than 31370649.1405057 and region being North Africa
Columns: ['Region', 'Total Population', 'Catholic', '% Catholic', '% of global Catholic pop.']
Types: ['text', 'real', 'real', 'text', 'text']
Sample row: ['Central Africa', 83121055.0, 37353218.0, '44.93%', '3.47%']
SQL:

assistant: SELECT SUM("Total Population") FROM "Table" WHERE "Catholic" < 31370649.1405057 AND "Region" = 'North Africa';