user: Question: What is the sum of the population in millions that has an influence less than 2.91, a MEP smaller than 13, a member of latvia, and more than 286875 inhabitants per MEP?
Columns: ['Member state', 'Population millions', 'MEPs', 'Inhabitants per MEP', 'Influence']
Types: ['text', 'real', 'real', 'real', 'real']
Sample row: ['Austria', 8.27, 17.0, 486235.0, 1.71]
SQL:

assistant: SELECT SUM("Population millions") FROM "Table" WHERE "Influence" < 2.91 AND "MEPs" < 13.0 AND "Member state" = 'latvia' AND "Inhabitants per MEP" > 286875.0;