instruction:
In this task, you're given an open-domain question. Your task is to provide an answer to the given question. There is only one unique answer for each question. Your answer should be short, and refer to an entity, date, number, etc. Do not put your answer in the context of a sentence.
question:
Which element begins the fourth group of the periodic table?
answer:
Titanium


question:
Who plays alex cahill on walker texas ranger?
answer:
Sheree Julienne Wilson


question:
What states were hit the hardest by the dust bowl?
answer:

Texas, Oklahoma, Kansas, Colorado and New Mexico