Which date has a Race Leader of hermann buse ( ger ), and a Stage of 5?
CREATE TABLE table_71067 (
    "Stage" text,
    "Date" text,
    "Course" text,
    "Distance" text,
    "Winner" text,
    "Race Leader" text
)
SELECT "Date" FROM table_71067 WHERE "Race Leader" = 'hermann buse ( ger )' AND "Stage" = '5'
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 date has a Race Leader of hermann buse ( ger ), and a Stage of 5? ### Input: CREATE TABLE table_71067 (
    "Stage" text,
    "Date" text,
    "Course" text,
    "Distance" text,
    "Winner" text,
    "Race Leader" text
) ### Response: SELECT "Date" FROM table_71067 WHERE "Race Leader" = 'hermann buse ( ger )' AND "Stage" = '5'