Lol, I'll do my best to answer some of these questions.
How many people named Hama have died at Helm's Deep?
I do believe there is only one person by the name of Háma at Helms Deep. He was the captain of the kings gaurd and Theodens doorward.
Which King of Rohan had the longest reign?
Aldor the Old
What type of animal slew Folca?
Don't know what actually wounded and killed Folca, but I do know he was hunting the Boar of Everholt.
How did Eorl refer to the horse that slew his father?
All I know is that Eorl gave the horse the name Feralof.
Who was the last King of the Second Line?
King Theoden
Who slew Scatha the great worm?
Fram son of Frumgar
What name was used to refer to the Vala Orome?
Oromë had several names including: The Huntsmen of the Valar, Aldaron, Araw, Béma, and Tauron.
What is the main tower of Helm's Deep?
The Hornburg, don't know know if that's what you mean though.
What was Rohan named when it was owned by the Men of Gondor?
Green Province, but I think it had another name too.
Hope this helps you out!
