Favourite questions

Registering on a website today, I was asked to choose a security question from the following options:

Problem is:

• Don't know, and seems a bit late to ask now.
  
• If I pick one at random, would I pick the same one when I'm asked again. And, heck, it was 50 years ago.
  
• Heck, it was 50 years ago
  
• Heck, it was 50 years ago
  
• Heck, it was 200 years ago
  
• Which grandfather?