Question: What is the area of the city in the United States that has the official website of http://www.cityofboston.gov/?
Choices: 587041.0 square kilometre
36040000 square metre
3525 square kilometre
25.7 square kilometre
232140634 square metre
99.32 square kilometre
161.675629 square kilometre
2072 square kilometre
1137 square kilometre
4096 square kilometre
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "city of the United States" . ?e <official_website> ?pv_1 . ?pv_1 <pred:value> "http://www.cityofboston.gov/" . ?e <area> ?pv .  }
Program:
function: FindAll
function: FilterStr
dependencies: 0
inputs: official website
http://www.cityofboston.gov/
function: FilterConcept
dependencies: 1
inputs: city of the United States
function: QueryAttr
dependencies: 2
inputs: area
Answer: 232140634 square metre