CREATE TABLE table_20702 ("Year" FLOAT, "Lansing  ( LAN ) " TEXT, "Detroit  ( DTW ) " TEXT, "Grand Rapids  ( GRR ) " TEXT, "Flint  ( FNT ) " TEXT, "Kalamazoo  ( AZO ) " TEXT, "Saginaw  ( MBS ) " TEXT)

When Saginaw's fare is $470.47, what was the fare to Grand Rapids?
SELECT "Grand Rapids (GRR)" FROM table_20702 WHERE "Saginaw (MBS)" = '$470.47'
SELECT "Grand Rapids (GRR)" FROM "table_20702" WHERE "Saginaw (MBS)" = '$470.47'