Question: What is the connection between Doctor Who (the one that has Steven Moffat as an executive producer) to Alex Kingston?
Choices: exclave of
official symbol
political ideology
owned by
cast member
inspired by
nominated for
culture
narrative role
located on astronomical location
SPARQL: SELECT DISTINCT ?p WHERE { ?e_1 <pred:name> "Doctor Who" . ?e_1 <executive_producer> ?e_3 . ?e_3 <pred:name> "Steven Moffat" . ?e_2 <pred:name> "Alex Kingston" . ?e_1 ?p ?e_2 .  }
Program:
function: Find
inputs: Steven Moffat
function: Relate
dependencies: 0
inputs: executive producer
backward
function: Find
inputs: Doctor Who
function: And
dependencies: 1
2
function: Find
inputs: Alex Kingston
function: QueryRelation
dependencies: 3
4
Answer: cast member