Question: What is the external data URL of Johann Sebastian Bach whose CANTIC-ID is a10446825?
Choices: https://ld.geo.admin.ch/boundaries/municipality/5586
http://data-mcgov-gis.opendata.arcgis.com/
http://data.europa.eu/euodp/en/data/group/eurovoc_domain_100156
https://github.com/MuseumofModernArt/exhibitions
http://archive.ics.uci.edu/ml/datasets/Bach+Choral+Harmony
https://ld.geo.admin.ch/boundaries/municipality/1061
https://github.com/MuseumofModernArt/collection
https://data.montgomerycountymd.gov/
https://waterdata.usgs.gov/md/nwis/rt
http://montgomeryplanning.org/tools/gis-and-mapping/
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:name> "Johann Sebastian Bach" . ?e <CANTIC-ID> ?pv_1 . ?pv_1 <pred:value> "a10446825" . ?e <external_data_available_at> ?pv .  }
Program:
function: Find
inputs: Johann Sebastian Bach
function: FilterStr
dependencies: 0
inputs: CANTIC-ID
a10446825
function: QueryAttr
dependencies: 1
inputs: external data available at
Answer: http://archive.ics.uci.edu/ml/datasets/Bach+Choral+Harmony