In this task, find the most appropriate number to replace the blank (indicated with _ ) and express it in words.

[EX Q]: Geckos have _ eyelids .
[EX A]: no

[EX Q]: District judges are attorneys who are elected on non-partisan ballots for terms of _ years.
[EX A]: six

[EX Q]: Squids can have between _ and eighteen tentacles, seemingly determined at random.
[EX A]:
seven