what is the sanskrit of western star name arcturus
CREATE TABLE "nak_atra" (
  "num" real,
  "sanskrit" text,
  "malayalam_name" text,
  "tamil_name" text,
  "telugu_name" text,
  "kannada_name" text,
  "western_star_name" text
);
SELECT "sanskrit" FROM "nak_atra" WHERE "western_star_name"='Arcturus';