In this task, find the most appropriate number to replace the blank (indicated with _ ) and express it in words.
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Question: Titanium is found in column _ along with chemically similar zirconium, hafnium, and thorium.

Answer: four


Question: Men are creatures with two legs and _ hands.

Answer: eight


Question: China lies in _ AEZs, all of which are subtropical and include some temperate areas.

Answer:
four