CREATE TABLE table_67598 ("Rank" FLOAT, "Lane" FLOAT, "Name" TEXT, "Nationality" TEXT, "Time" TEXT)

What's the smallest rank of noriko inada?
SELECT MIN("Rank") FROM table_67598 WHERE "Name" = 'noriko inada'
SELECT MIN("Rank") FROM "table_67598" WHERE "Name" = 'noriko inada'