What's the average year Charles N. Felton was re-elected?
CREATE TABLE table_name_92 (
    first_elected INTEGER,
    result VARCHAR,
    incumbent VARCHAR
)
SELECT AVG(first_elected) FROM table_name_92 WHERE result = "re-elected" AND incumbent = "charles n. felton"
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's the average year Charles N. Felton was re-elected? ### Input: CREATE TABLE table_name_92 (
    first_elected INTEGER,
    result VARCHAR,
    incumbent VARCHAR
) ### Response: SELECT AVG(first_elected) FROM table_name_92 WHERE result = "re-elected" AND incumbent = "charles n. felton"