In what year was Prince Harry born?  

15 September 1984.

How many Indy Car titles has Scott Dixon won?

He is a six-time drivers' champion of the IndyCar Series. The fastest ginger ever.

What is the name of the gene that is responsible for red hair?

MC1R gene that leads to red hair – one from their mum and one from their dad. Not everyone carrying two red-haired parent genes is a redhead, sadly.

Who is Isla Fisher married to?

Sacha Baron Cohen, the lucky bugger.

What country boasts the highest percentage of redheads?

Ireland has the highest number of red-haired people per capita in the world, with the percentage of those with red hair at around 10%. Fiddle de dee!

What country is ginger native to?

Ginger is indigenous to Southern China.

What eye colour are redheads most likely to have?

Most (natural) redheads will have brown eyes,

What is the term given to Ed Sheeran fans?

Sheerios

What vitamin can redheads internally produce in low light conditions?

Scotland and Ireland. People with red hair can churn out more vitamin D in low-light conditions than others

What is the name of Simply Red's lead singer?

Mick Hucknell. I hope you comprehend!