A woman in the UK lost 300 lbs by eating just pumpkin for over a year: “If I get peckish, I will pick up a piece of cooked pumpkin instead of the naughty snacks I used to eat."
https://www.mirror.co.uk/news/real-life-stories/lost-20-stone-eating-pumpkin-2339448

The more orange it is, the more carotene and better for you. Spaghetti squash has 100 IU vitamin A per 100 grams. Butternut has 11,150 IU vitamin A, per 100 grams. Which do you think is better for you?

It says about 6 grams of carbs per 100 gram serving. Pumpkin is also very rich in fiber which is why it's recommended for weight loss. You can't get this amount of nutrient density for that amount of carbs in any other vegetable.

If you are on a diet, pumpkin is one of the most beneficial vegetables that you can gorge on:
https://timesofindia.indiatimes.com/life-style/health-fitness/diet/Include-pumpkin-in-your-diet-to-lose-weight/articleshow/29910377.cms