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?
CREATE TABLE table_name_6 (
    design_flow__lpm_ INTEGER,
    population_served VARCHAR,
    partner VARCHAR,
    construction_start VARCHAR
)
SELECT SUM(design_flow__lpm_) FROM table_name_6 WHERE partner = "app" AND construction_start = "2008 january" AND population_served > 3500
Below are sql tables schemas paired with instruction that describes a task. Using valid SQLite, write a response that appropriately completes the request for the provided tables. ### Instruction: 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? ### Input: CREATE TABLE table_name_6 (
    design_flow__lpm_ INTEGER,
    population_served VARCHAR,
    partner VARCHAR,
    construction_start VARCHAR
) ### Response: SELECT SUM(design_flow__lpm_) FROM table_name_6 WHERE partner = "app" AND construction_start = "2008 january" AND population_served > 3500