Which tier is for football at Tianhe Stadium?
CREATE TABLE table_80019 (
    "Sport" text,
    "League" text,
    "Tier" text,
    "Club" text,
    "Stadium" text
)
SELECT "Tier" FROM table_80019 WHERE "Sport" = 'football' AND "Stadium" = 'tianhe stadium'
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 tier is for football at Tianhe Stadium? ### Input: CREATE TABLE table_80019 (
    "Sport" text,
    "League" text,
    "Tier" text,
    "Club" text,
    "Stadium" text
) ### Response: SELECT "Tier" FROM table_80019 WHERE "Sport" = 'football' AND "Stadium" = 'tianhe stadium'