Instruction: Given the title, description, feature, price, and brand of a product and a set of target attributes, extract the value of each target attribute from the product information. Output the extracted value and the corresponding source (e.g., title or feature) denoting where the value is extracted.

Input:
Product title: SanDisk Extreme PRO 64GB Compact Flash Memory Card UDMA 7 Speed Up To 160MB/s- SDCFXPS-064G-X46 (Label May Change)
Product description: Get high-capacity storage, faster shot-to-shot performance, and cinema-quality video with the SanDisk Extreme Pro 64GB 1067x CompactFlash CF UDMA 7 160MB/s Memory Card . Offers minimum sustained write speed of 65MB/s and transfer speed up to 160MB/s.
Product feature: You can be confident in the good quality, performance and reliability of every SanDisk Product, Unique, sleek design for the modern home, With these speeds you can be sure that every transfer or save will end faster than ever before, Designed for professional photographers and videographers, Extreme write speeds of up to 150MB/s (1), Increases workflow efficiency with transfer speeds of up to 160MB/s, VPG-65 (2) guarantees smooth capture of 4K Ultra HD and Full HD video (3), RescuePRO Deluxe data recovery download (5), SanDisk Extreme PRO CompactFlash Card, Jewel case
Product price: $5.99
Product brand: SanDisk
Target attributes: Capacity
Answer: attribute: capacity
value: 64gb
source: product description
attribute: capacity
value: 64gb
source: product title