Question: What is the date of birth for Mark Williams (whose birth name is Mark Fraser Williams)?
Choices: 1887-10-31
1928-12-16
1946-11-17
1966-03-24
1934-11-13
1738-01-01
1930-10-01
1930-08-25
1904-06-17
1981-08-08
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:name> "Mark Williams" . ?e <birth_name> ?pv_1 . ?pv_1 <pred:value> "Mark Fraser Williams" . ?e <date_of_birth> ?pv .  }
Program:
function: Find
inputs: Mark Williams
function: FilterStr
dependencies: 0
inputs: birth name
Mark Fraser Williams
function: QueryAttr
dependencies: 1
inputs: date of birth
Answer: 1966-03-24