I need to know the glycemic index of spaghetti squash.

Amazing what a quick search gives

Spaghetti Squash - Calories, Health Benefits, and Carbs (http://lowcarbdiets.about.com/od/carbcounts/a/Spaghetti-Squash.htm)

I still prefer regular pasta better.

I still prefer regular pasta better.
For sure so do I, but many people use spaghetti squash as a side dish. It was never intended to replace pasta. Yiu do know of course, it is called that only for its resemblance.

My ex wife made it as a replacement once and once only. It wasn't pleasant.