Irish Crossword Puzzle

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Across
  1. 3. Book by Irish author, Bram Stoker, about a vampire
  2. 5. A popular Irish vegetable
  3. 6. An Irish city and material
Down
  1. 1. Capital of Ireland
  2. 2. An Irish clover; a shake at McDonald's
  3. 4. A treasure you find at the end of the rainbow