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

Q: Immune response improves in about _ weeks.

A: four
****
Q: Sturgeons are shark-like in form but are unique in having _ rows of bony plates along the body.

A: five
****
Q: Snowboard pants do have _ times as many pockets as ski pants though.

A:
five
****