CREATE TABLE table_55676 ("Romaji title" TEXT, "Japanese title" TEXT, "Release date" TEXT, "Reference" TEXT, "Oricon" FLOAT)

Which Oricon has a Romaji title of nakitakunalu?
SELECT MAX("Oricon") FROM table_55676 WHERE "Romaji title" = 'nakitakunalu'
SELECT MAX("Oricon") FROM "table_55676" WHERE "Romaji title" = 'nakitakunalu'