Question: What type of blues music originates from the United States and includes well known performers like Taj Mahal, who are famous for world music?
Choices: blues
Chicago blues
psychedelic soul
free improvisation
Delta blues
psychedelic trance
country blues
country pop
progressive house music
blues rock
SPARQL: SELECT DISTINCT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "blues" . ?e <famous_people> ?e_1 . ?e_1 <pred:name> "Taj Mahal" . ?e_2 <famous_people> ?e_1 . ?e_2 <pred:name> "world music" .  ?e <country_of_origin> ?e_3 . ?e_3 <pred:name> "United States of America" .  }
Program:
function: Find
inputs: world music
function: Relate
dependencies: 0
inputs: famous people
forward
function: Find
inputs: Taj Mahal
function: And
dependencies: 1
2
function: Relate
dependencies: 3
inputs: famous people
backward
function: FilterConcept
dependencies: 4
inputs: blues
function: Find
inputs: United States of America
function: Relate
dependencies: 6
inputs: country of origin
backward
function: FilterConcept
dependencies: 7
inputs: blues
function: And
dependencies: 5
8
function: What
dependencies: 9
Answer: Delta blues