Which year has a Main of Eintracht Frankfurt and Hessen of FSV Mainz 05?
CREATE TABLE table_name_3 (
    year VARCHAR,
    main VARCHAR,
    hessen VARCHAR
)
SELECT year FROM table_name_3 WHERE main = "eintracht frankfurt" AND hessen = "fsv mainz 05"
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: Which year has a Main of Eintracht Frankfurt and Hessen of FSV Mainz 05? ### Input: CREATE TABLE table_name_3 (
    year VARCHAR,
    main VARCHAR,
    hessen VARCHAR
) ### Response: SELECT year FROM table_name_3 WHERE main = "eintracht frankfurt" AND hessen = "fsv mainz 05"