CREATE TABLE table_16415 ("Romaji title" TEXT, "Japanese title" TEXT, "Release date" TEXT, "Reference" TEXT, "Oricon" FLOAT)

How many songs have mi-chemin as their Japanese name and romanji name?
SELECT COUNT("Romaji title") FROM table_16415 WHERE "Japanese title" = 'Mi-Chemin'
SELECT COUNT("Romaji title") FROM "table_16415" WHERE "Japanese title" = 'Mi-Chemin'