Which coach works with Robert Harvey?
CREATE TABLE table_47873 (
    "Season" text,
    "Coach" text,
    "Captain" text,
    "Alternate (1)" text,
    "Alternate (2)" text
)
SELECT "Coach" FROM table_47873 WHERE "Captain" = 'robert harvey'
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 coach works with Robert Harvey? ### Input: CREATE TABLE table_47873 (
    "Season" text,
    "Coach" text,
    "Captain" text,
    "Alternate (1)" text,
    "Alternate (2)" text
) ### Response: SELECT "Coach" FROM table_47873 WHERE "Captain" = 'robert harvey'