Python telegrambot displays information from mysql database using buttons?

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MySQL

Python3.6

bot

I am working in Python 3 and Mysql 10.1.13-MariaDB databases

I want to display information from the database (select) using the TelegramBot buttons. For example, if in a telegram bot you click on the "Balances" or "Debt" button using a request, send the result to the user. I have a button code and a request BUT I can't combine them if I press the first button to answer the first requests or if I press the second button to answer the secondary requests (not enough knowledge) Sorry if it's a stupid question, I'm a beginner. Please tell me. thank

What I have tried:

import telebot
from telebot import types
import mysql.connector

bot = telebot.TeleBot("TOKEN")

db = mysql.connector.connect(
  host="localhost",
  user="root",
  password="",
  database="hosil"
)

kontragent = db.cursor()
kontragent.execute("SELECT * FROM kontragent")
myresult = kontragent.fetchall()

for x in myresult:
    print(x)

cursor = db.cursor()
cursor.execute("SELECT * FROM product")
myresult1 = cursor.fetchall()

for x in myresult1:
    print(x)


@bot.message_handler(commands=['start'])
def start(message):
    markup = types.ReplyKeyboardMarkup(resize_keyboard=True, row_width=2)
    btn1 = types.KeyboardButton("Склад")
    btn2 = types.KeyboardButton("Долг")
    markup.add(btn1, btn2)

    send_mess = f"Привет {message.from_user.first_name}!\nВведите "
    bot.send_message(message.chat.id, send_mess, parse_mode='html', reply_markup=markup)

bot.polling(none_stop=True)