Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_name_31 (location VARCHAR, design_flow__lpm_ VARCHAR, partner VARCHAR, population_served VARCHAR)

### Question ###
What Location has a Partner of app, a Population Served larger than 2000, and a Design flow (LPM) of 375?

### Accurate SQL ###

SELECT location FROM table_name_31 WHERE partner = "app" AND population_served > 2000 AND design_flow__lpm_ = 375