What tie number featured Chelsea as the home team?
CREATE TABLE table_21886 (
    "Tie no" real,
    "Home team" text,
    "Score 1" text,
    "Away team" text,
    "Attendance" real
)
SELECT MIN("Tie no") FROM table_21886 WHERE "Home team" = 'Chelsea'
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 tie number featured Chelsea as the home team? ### Input: CREATE TABLE table_21886 (
    "Tie no" real,
    "Home team" text,
    "Score 1" text,
    "Away team" text,
    "Attendance" real
) ### Response: SELECT MIN("Tie no") FROM table_21886 WHERE "Home team" = 'Chelsea'