What is the Home Captain which has Waca Ground as a Venue
CREATE TABLE table_15123 (
    "Date" text,
    "Home captain" text,
    "Away captain" text,
    "Venue" text,
    "Result" text
)
SELECT "Home captain" FROM table_15123 WHERE "Venue" = 'waca ground'
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 is the Home Captain which has Waca Ground as a Venue ### Input: CREATE TABLE table_15123 (
    "Date" text,
    "Home captain" text,
    "Away captain" text,
    "Venue" text,
    "Result" text
) ### Response: SELECT "Home captain" FROM table_15123 WHERE "Venue" = 'waca ground'