input: from typing import Tuple
  from flask import Flask, request, redirect
  import sqlite3
  
  def store_form_data(name: str, email: str, phone: str) -> Tuple[str, str, str]:
      """ Storage function taking in personal information from form submission.
      
      >>> store_form_data('John Doe','john.doe@example.com','1234567890')
      ('John Doe', 'john.doe@example.com', '1234567890')
      
      >>> store_form_data('Jane Doe','jane.doe@example.com','0987654321')
      ('Jane Doe', 'jane.doe@example.com', '0987654321')
      """
output:     conn = sqlite3.connect('form_data.db')
      cursor = conn.cursor()
      
      cursor.execute('''
          CREATE TABLE IF NOT EXISTS users (
              id INTEGER PRIMARY KEY AUTOINCREMENT,
              name TEXT NOT NULL,
              email TEXT NOT NULL UNIQUE,
              phone TEXT NOT NULL UNIQUE
          )
      ''')
      
      try:
          cursor.execute('''
              INSERT INTO users (name, email, phone)
              VALUES (?, ?, ?)
          ''', (name, email, phone))
          conn.commit()
      except sqlite3.IntegrityError:
          conn.rollback()
          return ('Error', 'Email or phone already exists', '')
      
      cursor.execute('''
          SELECT name, email, phone FROM users WHERE email = ?
      ''', (email,))
      
      result = cursor.fetchone()
      conn.close()
      
      return result