CREATE TABLE table_11750 ("Town/City" TEXT, "Population" FLOAT, "Operator" TEXT, "First year" FLOAT, "Duration" TEXT)

What is Ivaipor , pr's biggest population?
SELECT MAX("Population") FROM table_11750 WHERE "Town/City" = 'ivaiporã, pr'
SELECT MAX("Population") FROM "table_11750" WHERE "Town/City" = 'ivaiporã, pr'