What is the average population vlue for an area smaller than 26.69 square km and has an official name of Rogersville?
CREATE TABLE table_name_71 (
    population INTEGER,
    area_km_2 VARCHAR,
    official_name VARCHAR
)
SELECT AVG(population) FROM table_name_71 WHERE area_km_2 < 26.69 AND official_name = "rogersville"
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 average population vlue for an area smaller than 26.69 square km and has an official name of Rogersville? ### Input: CREATE TABLE table_name_71 (
    population INTEGER,
    area_km_2 VARCHAR,
    official_name VARCHAR
) ### Response: SELECT AVG(population) FROM table_name_71 WHERE area_km_2 < 26.69 AND official_name = "rogersville"