user: Question: What is the Total Orphans number when the number of Total Orphans (AIDS Related) is < 100, and the Maternal (Total) is smaller than 31000?
Columns: ['Country', 'Orphans as % of all Children', 'AIDS Orphans as % of Orphans', 'Total Orphans (Total)', 'Total Orphans (AIDS Related)', 'Maternal (Total)', 'Maternal (AIDS Related)', 'Paternal (Total)', 'Paternal (AIDS Related)', 'Double (Total)', 'Double (AIDS Related)']
Types: ['text', 'real', 'real', 'real', 'text', 'real', 'text', 'real', 'text', 'real', 'text']
Sample row: ['Botswana (1990)', 5.9, 3.0, 34000.0, '1,000', 14000.0, '< 100', 23000.0, '1,000', 2000.0, '< 100']
SQL:

assistant: SELECT "Total Orphans (Total)" FROM "Table" WHERE "Total Orphans (AIDS Related)" = '< 100' AND "Maternal (Total)" < 31000.0;