CREATE TABLE table_61605 ("Location" TEXT, "Partner" TEXT, "Construction Start" TEXT, "Inauguration Date" TEXT, "Population Served" FLOAT, "Design flow  ( LPM ) " FLOAT)

What is the total Design flow (LPM) with a Partner of app, a Construction Start of 2008 january, and a Population Served larger than 3500?
SELECT SUM("Design flow (LPM)") FROM table_61605 WHERE "Partner" = 'app' AND "Construction Start" = '2008 january' AND "Population Served" > '3500'
SELECT SUM("Design flow (LPM)") FROM "table_61605" WHERE "Construction Start" = '2008 january' AND "Partner" = 'app' AND "Population Served" > '3500'