input: 
  def load_and_save_properties(json_file_path: str) -> int:
      """ Loads a JSON fixture file, extracts properties from it, creates Property objects 
      from the properties, and saves them to the database. The function returns the number 
      of properties saved.
      >>> load_and_save_properties('fixtures/properties.json')
      3
      """
  
output:     import json
      from my_app.models import Property
  
      with open(json_file_path, 'r') as file:
          data = json.load(file)
      
      properties = data.get('properties', [])
      count = 0
      
      for prop in properties:
          property_obj = Property(**prop)
          property_obj.save()
          count += 1
      
      return count