Instruction: Extract the value of the target attribute from the given product information and output it along with the corresponding source.

Input:
Product title: La Rochelle 61198 Heather Ground Flannel Solid, Green, Queen
Product description: Incredible Softness: A luxury blend cotton sheet set made by a unique process of mingling colored yarns with white yarns to create yarn dyed heather - melange colored effect. These flannel sheets are very cozy and warm.
Product feature: 70% Cotton/30% Lyocell, Imported, The 100 percent cotton material is brushed on both sides creating a special warmth and coziness as well as extended wear and reduced pilling, Queen Dimensions: Flat Sheet: 96"x104"; Fitted Sheet: 60"x80"+15"Pocket; (2)Pillowcase: 22"x30", Generous dimensions on the flat sheet and pillow-cases insure a nice fit. The fitted sheet will fit most of today's thicker mattresses, Made in Portugal, these sheets combine the best in design and technology for a tremendous value in a luxury flannel sheet, Our Luxury Flannel sheet features a 2 inch hem on the flat sheet with 2 inch cuffs on the pillow cases
Product price: $81.99
Product brand: La Rochelle
Target attributes: Thread Count
Answer: attribute: thread count
value: None
source: None