if (req.method !== 'POST') {
  res.status(405).json({ error: 'Method not allowed' });
  return;
}
if (!question) {
  return res.status(400).json({ message: 'No question in the request' });
}
	if (req.method !== 'POST') {
	res.status(405).json({ error: 'Method not allowed' });
	return;
	}
	if (!question) {
	return res.status(400).json({ message: 'No question in the request' });
	}