Question: When was the publication date for A Great Day in Harlem (the one whose color is black-and-white) ?
Choices:
1984-01-20
2010-05-06
2004-03-04
1992-08-07
2008-11-26
2011-12-25
2004-01-16
1995-08-24
1994-01-01
2001
Program:
function: Find
inputs: black-and-white
function: Relate
dependencies: 0
inputs: color
backward
function: Find
inputs: A Great Day in Harlem
function: And
dependencies: 1
2
function: QueryAttr
dependencies: 3
inputs: publication date
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:name> "A Great Day in Harlem" . ?e <color> ?e_1 . ?e_1 <pred:name> "black-and-white" .  ?e <publication_date> ?pv .  }
Answer: 1994-01-01