question: In what year did Tito travel to the U.S. to visit Washington D.C. , amist protest by anti-communist Croat , Serb and Albanian groups ?
answer: 1978
turker_answer: Tito traveled to the U.S. to visit Washington D.C. in 1978 , amidst protests by anti-communist Croat , Serb and Albanian groups .
rule-based: Tito travelled to the U.S. to visit Washington D.C. , amist protest by anti-communist Croat , Serb and Albanian groups in 1978 .