Misc: who played sherlock holmes in the hounds of baskerville in 1978?

Questions

According to a 1990 survey, what are there three of to every person in Wales?

Who sad of taxidermy - the chemicals are the only thing that cost anything?

Who captained the Victory at the Battle of Trafalgar?

What order of columns support the Parthenon in Athens?

What was the profession of William Semple who in 1869 became the first man to add sugar to chewing gum?