Instruction: First, identify the target attributes from the provided list. Then, scan the product title, description, feature, and brand to extract the values associated with each target attribute. Finally, create a list of dictionaries, each containing the extracted attribute, its corresponding value, and the source where it was found.

Input:
Product title: Dr. Martens Women's Bianca-R21603001 Ankle Bootie
Product description: Echoing the early 80's gothic style of dainty, pointed ankle boots, the low height bianca chelsea boot uses patent lamper leather to give the boot a glossy, premium feel.
Product feature: 100% Leather, Imported, Synthetic sole, Shaft measures approximately 4.75" from arch, Elastic side panels for easy on-and-off. Classic doc dana, including yellow z-welt stitching, Constructed for comfort on the iconic air-cushioned sole, Oil-and-fat-resistant and with good abrasion and slip-resistance, Care Instructions : Clean Away dirt using a damp cloth, allow to dry apply correct coloured wax based shoe polish to restore shine as desired, Shipping Information: View shipping rates and policies, ASIN: B01N6HCFUE, Item model number: Bianca - R21603001, Date first listed on Amazon: June 30, 2016, Domestic Shipping: Currently, item can be shipped only within the U.S. and to APO/FPO addresses. For APO/FPO shipments, please check with the manufacturer regarding warranty and support issues., International Shipping: This item is not eligible for international shipping. Learn More, Average Customer Review: 4.4 out of 5 stars 53 customer reviews
Product price: $97.99
Target attributes: Shaft Height
Answer: attribute: shaft height
value: bootie
source: product title
attribute: shaft height
value: ankle boots
source: product description