TASK DEFINITION: Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.
PROBLEM: Which engineer built the Menai Suspension Bridge and the Caledonian Canal?

SOLUTION: menai suspension bridge

PROBLEM: The Neil Simon plays The Prisoner of Second Avenue and Brighton Beach Memoirs are set in which city?

SOLUTION: brighton beach memoirs

PROBLEM: 'The Dead Of Jericho' and 'Last Bus To Woodstock' are novels featuring which detective?

SOLUTION:
last bus to woodstock