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: KOHLER Vault 33" Double-Bowl Offset 18-Gauge Stainless Steel Kitchen Sink with Three Faucet Holes K-3823-3-NA Drop-in or Undermount Installation, 9 Inch Bowl
Product description: K-3823-3-NA Features: -33" L x 22" W. -Constructed of 18-gauge stainless steel. -Self-rimming or undercounter. Installation Type: -Undermount/Drop-In. Finish: -Stainless steel. Material: -Stainless steel. Number of Basins: -2. Basin Split: -60/40. Sink Shape: -Rectangular. Number of Faucet Holes: -3. Country of Manufacture: -United States. Dimensions: Overall Sink Depth - Top to Bottom: -9.31". Overall Length - Side to Side: -33". Overall Width - Front to Back: -22". Overall Product Weight: -31.5 lbs., The new Vault sinks are dual-mount sinks that can also be used in a replacement application. The contemporary self-rimming Vault fabricated sink will appeal to customers who want a significantly differentiated sink without having to replace their countert
Product feature: SINK SIZE: 33" x 22", MINIMUM CABINET BASE WIDTH: 36 inch min. cabinet base width, DUAL MOUNT INSTALLATION: Depending on your kitchen update or remodel, install this sink as an undermount or top-mount installation, THREE FAUCET HOLES: Choose a Kohler faucet to complement your sink, such as K-596-VS, or 560-VS, or K-22033-VS, all come with escutcheon plates to cover up any unused faucet holes, PREMIUM STEEL MATERIAL: 18 gauge stainless steel is strong enough to withstand your every day use to last a lifetime., QUIET PERFORMANCE: SilentShield sound absorption technology offers extremely quiet performance out of your kitchen sink, CONTEMPORARY DESIGN: Tight corners maximizes your basin space all while giving your kitchen an updated modern look, Our stainless steel sinks are incredibly resistant to staining and rust. Hot pans wont hurt them, and theyre less likely than harder materials such as stone or fireclay to damage delicate dishware, Keep them clean with a quick wipe down using a sponge at least once a week., With their neutral color and sleek look, our stainless steel sinks complement a wide range of kitchen styles.
Product price: $531.75
Product brand: Kohler
Target attributes: Number of Bowls
Answer: attribute: number of bowls
value: double-bowl
source: product title