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_189598_7 (population_density__per_km²_ VARCHAR, name VARCHAR)
  ### Question:
  When buffalo narrows is the name how many measurements of population density per kilometer squared are there?
  ### Answer:
  SELECT COUNT(population_density__per_km²_) FROM table_189598_7 WHERE name = "Buffalo Narrows"