How many calories in this sandwich without the bun?

Today at lunch at Chili's, I had the guiltless grill chicken sandwich.  I didn't eat the bun, so it was just a piece of grilled chicken with a side of steamed broccoli.

Calorie Count says this sandwich is as follows:

490 calories, 8 g of fat, 63 carbs and 39 g of protein

Chili's website says it is 361 calories, 5 g fat, 44 carbs, and 38 g protein

Both of these include the bread.  Soooo what do you think I should put down taking into account I didn't eat the bread??

I would assume it to be about 5-6 ounces of grilled chicken... so I would add that with the steamed broccoli to my food log along with some added fat, as there is most likely some kind added in the cooking process.

Hope that helps.

kaseysmommy's idea sounds good.  You can compare it by assuming the bun was about 150-200 calories.  Most hamburger buns are around 150, but sometimes the restaurants are a bit bigger. 

Thank you!  I figured the bun was a lot.