When Saginaw's fare is $470.47, what was the fare to Grand Rapids?
CREATE TABLE table_20702 (
    "Year" real,
    "Lansing (LAN)" text,
    "Detroit (DTW)" text,
    "Grand Rapids (GRR)" text,
    "Flint (FNT)" text,
    "Kalamazoo (AZO)" text,
    "Saginaw (MBS)" text
)
SELECT "Grand Rapids (GRR)" FROM table_20702 WHERE "Saginaw (MBS)" = '$470.47'
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: When Saginaw's fare is $470.47, what was the fare to Grand Rapids? ### Input: CREATE TABLE table_20702 (
    "Year" real,
    "Lansing (LAN)" text,
    "Detroit (DTW)" text,
    "Grand Rapids (GRR)" text,
    "Flint (FNT)" text,
    "Kalamazoo (AZO)" text,
    "Saginaw (MBS)" text
) ### Response: SELECT "Grand Rapids (GRR)" FROM table_20702 WHERE "Saginaw (MBS)" = '$470.47'