Custom Telegram Chat Application Development

Kindly begin your proposal by answering this question: 3 x 9 = ?
I am seeking a skilled developer to create a custom chat application for Telegram. The application should facilitate automated interactions with users based on predefined commands and responses.

Key Features:

Automated Response System: Develop a system to handle user inputs and provide appropriate responses based on predefined rules.
Database Integration: Ensure that the application can store and retrieve data efficiently.
User Management: Implement features to manage user interactions and permissions.
Command Handling: Create functionality to process various user commands and perform corresponding actions.
Security: Ensure the application has robust security measures to protect user data.
Requirements:

Proven experience in developing chat applications or similar projects.
Proficiency in relevant programming languages (e.g., Python, JavaScript).
Familiarity with Telegram's API.
Strong understanding of data handling and storage.
Good problem-solving skills and attention to detail.