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: Women's Latin Dance Shoes Soft Sole Female Latin Sandals Ballroom Dance Shoes (9 B(M) US, Blue)
Product feature: Package Dimensions: 10.9 x 6.4 x 3.9 inches, Shipping Weight: 1 pounds, ASIN: B01FU4NFIO, Date first listed on Amazon: September 24, 2016, Average Customer Review: 2.8 out of 5 stars 4 customer reviews
Product brand: superpark
Target attributes: Shaft Height
Answer: attribute: shaft height
value: None
source: None