Who were the candidates in districk Pennsylvania 12?
CREATE TABLE table_2668199_2 (
    candidates VARCHAR,
    district VARCHAR
)
SELECT candidates FROM table_2668199_2 WHERE district = "Pennsylvania 12"
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: Who were the candidates in districk Pennsylvania 12? ### Input: CREATE TABLE table_2668199_2 (
    candidates VARCHAR,
    district VARCHAR
) ### Response: SELECT candidates FROM table_2668199_2 WHERE district = "Pennsylvania 12"