Question: What institution of higher education was attended by Peter Coyote and Joe Walsh, who was taught at Lee Strasberg Theater and Film Institute?
Choices: San Francisco State University
University of Iowa
Trinity College
Scottish Church College
Grinnell College
Williams College
Denison University
Hampshire College
Clark University
Colorado College
SPARQL: SELECT DISTINCT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "higher education institution" . ?e_1 <educated_at> ?e . ?e_1 <pred:name> "Peter Coyote" .  ?e_2 <educated_at> ?e . ?e_2 <pred:name> "Joe Walsh" . ?e_2 <educated_at> ?e_3 . ?e_3 <pred:name> "Lee Strasberg Theatre and Film Institute" .  }
Program:
function: Find
inputs: Peter Coyote
function: Relate
dependencies: 0
inputs: educated at
forward
function: FilterConcept
dependencies: 1
inputs: higher education institution
function: Find
inputs: Lee Strasberg Theatre and Film Institute
function: Relate
dependencies: 3
inputs: educated at
backward
function: Find
inputs: Joe Walsh
function: And
dependencies: 4
5
function: Relate
dependencies: 6
inputs: educated at
forward
function: FilterConcept
dependencies: 7
inputs: higher education institution
function: And
dependencies: 2
8
function: What
dependencies: 9
Answer: Grinnell College