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

[EX Q]: Territorial groups consist of one supermale or terminal male and _ to three females.
[EX A]: one

[EX Q]: Granite weathers one inch in _ thousand years.
[EX A]: ten

[EX Q]: Southern moles are _ to seven inches long and weigh three to four ounces.
[EX A]:
six