input: def generate_html_table(conn: sqlite3.Connection, genre: str) -> str:
      """
      Generate an HTML table displaying information about the top 10 bestselling books in a specific genre.
      
      >>> import sqlite3
      >>> conn = sqlite3.connect(':memory:')
      >>> c = conn.cursor()
      >>> c.execute('''CREATE TABLE Books (id INTEGER, title TEXT, author TEXT, genre TEXT, sales INTEGER)''')
      >>> c.execute("INSERT INTO Books VALUES (1, 'The Lord of the Rings', 'J.R.R. Tolkien', 'Fantasy', 15000000)")
      >>> c.execute("INSERT INTO Books VALUES (2, 'Harry Potter', 'J.K. Rowling', 'Fantasy', 12000000)")
      >>> c.execute("INSERT INTO Books VALUES (3, 'The Hobbit', 'J.R.R. Tolkien', 'Fantasy', 10000000)")
      >>> conn.commit()
      >>> generate_html_table(conn, 'Fantasy')
      '<table><tr><th>Title</th><th>Author</th><th>Genre</th><th>Sales</th></tr><tr><td>The Lord of the Rings</td><td>J.R.R. Tolkien</td><td>Fantasy</td><td>15000000</td></tr><tr><td>Harry Potter</td><td>J.K. Rowling</td><td>Fantasy</td><td>12000000</td></tr><tr><td>The Hobbit</td><td>J.R.R. Tolkien</td><td>Fantasy</td><td>10000000</td></tr></table>'
      """
      c = conn.cursor()
      c.execute(f'''SELECT title, author, genre, sales
                  FROM Books
                  WHERE genre=?
                  ORDER BY sales DESC
                  LIMIT 10''', (genre,))
      
      results = c.fetchall()
      
      html = '<table>'
      html += '<tr><th>Title</th><th>Author</th><th>Genre</th><th>Sales</th></tr>'
      
      for result in results:
          title = result[0]
          author = result[1]
          genre = result[2]
          sales = result[3]
          
          html += f'<tr><td>{title}</td><td>{author}</td><td>{genre}</td><td>{sales}</td></tr>'
      
      html += '</table>'
      
      return html
output:     c = conn.cursor()
      c.execute(f'''SELECT title, author, genre, sales
                  FROM Books
                  WHERE genre=?
                  ORDER BY sales DESC
                  LIMIT 10''', (genre,))
      
      results = c.fetchall()
      
      html = '<table>'
      html += '<tr><th>Title</th><th>Author</th><th>Genre</th><th>Sales</th></tr>'
      
      for result in results:
          title = result[0]
          author = result[1]
          genre = result[2]
          sales = result[3]
          
          html += f'<tr><td>{title}</td><td>{author}</td><td>{genre}</td><td>{sales}</td></tr>'
      
      html += '</table>'
      
      return html