input: 
  def can_create_toc_from_db(db_type: str) -> str:
      """ Determine if it's possible to create a HTML page that displays a table of contents 
      from the data stored in a database of a given type. 
      >>> can_create_toc_from_db('SQL')
      "Yes, it is possible to create a HTML page that displays a table of contents from the data stored in a SQL database. You can use HTML, CSS, and JavaScript to create the table and a server-side language such as PHP or Python to query the database and retrieve the relevant data. Once you have the data, you can use JavaScript to render the table within the HTML page."
      >>> can_create_toc_from_db('NoSQL')
      "Yes, it is possible to create a HTML page that displays a table of contents from the data stored in a NoSQL database. You can use HTML, CSS, and JavaScript to create the table and a server-side language such as Node.js or Python to query the database and retrieve the relevant data. Once you have the data, you can use JavaScript to render the table within the HTML page."
      """
  
output:     if db_type == 'SQL':
          return "Yes, it is possible to create a HTML page that displays a table of contents from the data stored in a SQL database. You can use HTML, CSS, and JavaScript to create the table and a server-side language such as PHP or Python to query the database and retrieve the relevant data. Once you have the data, you can use JavaScript to render the table within the HTML page."
      elif db_type == 'NoSQL':
          return "Yes, it is possible to create a HTML page that displays a table of contents from the data stored in a NoSQL database. You can use HTML, CSS, and JavaScript to create the table and a server-side language such as Node.js or Python to query the database and retrieve the relevant data. Once you have the data, you can use JavaScript to render the table within the HTML page."
      else:
          return "Unknown database type. Please provide a valid database type."