Question: What record label became Casablanca Records' distributor in 1973?
Choices: Hollywood Records
Epic Records
Imperial Records
Play It Again Sam
Epitaph Records
Capitol Records
The Island Def Jam Music Group
Century Media Records
Southern Lord Records
Liberty Records
SPARQL: SELECT DISTINCT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "record label" . ?e_1 <distributor> ?e . ?e_1 <pred:name> "Casablanca Records" .  [ <pred:fact_h> ?e_1 ; <pred:fact_r> <distributor> ; <pred:fact_t> ?e ] <start_time> ?qpv . ?qpv <pred:year> 1973 .  }
Program:
function: Find
inputs: Casablanca Records
function: Relate
dependencies: 0
inputs: distributor
forward
function: QFilterYear
dependencies: 1
inputs: start time
1973
=
function: FilterConcept
dependencies: 2
inputs: record label
function: What
dependencies: 3
Answer: The Island Def Jam Music Group