input: 
  from typing import List
  
  def save_properties(fixture_file: str, fixture_folder: str) -> int:
      """ Loads a JSON fixture file, extracts properties from it, creates Property objects, and saves them to the database. The function returns the number of properties saved.
      >>> save_properties('properties.json', 'models/fixtures')
      3
      >>> save_properties('complex_properties.json', 'fixtures')
      5
      """
  
output:     
      import json
      import os
      from models.property import Property
  
      # Load the JSON fixture file
      file_path = os.path.join(fixture_folder, fixture_file)
      with open(file_path, 'r') as file:
          data = json.load(file)
  
      # Extract properties and create Property objects
      properties = data.get('properties', [])
      saved_count = 0
  
      for prop in properties:
          property_obj = Property(**prop)
          property_obj.save()
          saved_count += 1
  
      return saved_count
  