what is the lowest rank when the type is hydro, the name is grand rapids generating station and the capacity (mw) is more than 479?
CREATE TABLE table_62934 (
    "Rank" real,
    "Name" text,
    "Capacity ( MW )" real,
    "Province" text,
    "Type" text
)
SELECT MIN("Rank") FROM table_62934 WHERE "Type" = 'hydro' AND "Name" = 'grand rapids generating station' AND "Capacity ( MW )" > '479'
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 lowest rank when the type is hydro, the name is grand rapids generating station and the capacity (mw) is more than 479? ### Input: CREATE TABLE table_62934 (
    "Rank" real,
    "Name" text,
    "Capacity ( MW )" real,
    "Province" text,
    "Type" text
) ### Response: SELECT MIN("Rank") FROM table_62934 WHERE "Type" = 'hydro' AND "Name" = 'grand rapids generating station' AND "Capacity ( MW )" > '479'