what is the launched date when the builder is john brown, clydebank?
CREATE TABLE table_52766 (
    "Name" text,
    "Pennant" text,
    "Builder" text,
    "Laid Down" text,
    "Launched" text,
    "Commissioned" text
)
SELECT "Launched" FROM table_52766 WHERE "Builder" = 'john brown, clydebank'
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 launched date when the builder is john brown, clydebank? ### Input: CREATE TABLE table_52766 (
    "Name" text,
    "Pennant" text,
    "Builder" text,
    "Laid Down" text,
    "Launched" text,
    "Commissioned" text
) ### Response: SELECT "Launched" FROM table_52766 WHERE "Builder" = 'john brown, clydebank'