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: Blue by Betsey Johnson Women's SB-Crown Dress Pump
Product description: New York designer Betsey Johnson has built her long-standing career in fashion by following her own set of rules. Known for her celebration of the exuberant, the embelished, and the over the top, Betsey has been rocking the fashion industry with her unique and original designs since the 1960's. Betsey Johnson, both the woman and the label, is constantly moving forward and continues to keep a strong foothold in the fashion industry with no signs of letting up anytime soon. Her love of detail and design is evident in everything she does in life and in business. Her enthusiasm, creativity and boundless talent that have kept her at the forefront of fashion for the past 40 years will keep Betsey going for years to come.
Product feature: 100% Synthetic, Imported, Synthetic sole, Heel measures approximately 3.5", Product Dimensions: 12 x 4 x 8 inches, Shipping Weight: 2.15 pounds, ASIN: B00K1OKSAM, Item model number: Sb-crown, Date first listed on Amazon: June 27, 2014, 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: 3.7 out of 5 stars 15 customer reviews
Product brand: Blue by Betsey Johnson
Target attributes: Shaft Height
Answer: attribute: shaft height
value: None
source: None