text: Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
  ### Context:
  CREATE TABLE table_27653752_1 (ppi__pixels_per_inch__ VARCHAR, ppcm__pixels_per_cm__ VARCHAR)
  ### Question:
  How many different PPI does the model with ppcm of 87 have?
  ### Answer:
  SELECT COUNT(ppi__pixels_per_inch__) FROM table_27653752_1 WHERE ppcm__pixels_per_cm__ = 87