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

[Q]: Alcohol is high in calories - it supplies _ calories per gram and no nutrients worth mentioning.
[A]: seven

[Q]: Birds bitten by infected mosquitoes are infectious from _ to eight days.
[A]: four

[Q]: Rabbinic literature is made up of _ major kinds of works.
[A]:
five