阅读下面短文并回答问题，然后将答案写在答题卡相应的位置上(请注意问题后 的词数要求;)。
NEW YORK—Movie studios and television programmers have postponed or canceled violent films and TV shows after a shooting left 20 children and six adults dead in a Connecticut elementary school last week.
Viacom Inc. 's Paramount studios delayed the premiere (首映.式）of "Jack Readier," an action-thriller based on the Lee Child novels starring Tom Cruise that was scheduled for Dec. 15, the day after the murders. Separately, Discovery Communications Inc. canceled the new season of "American Guns," a reality -based serial about a family of gunmakers, Fox News reported.
CBS Corp.，s Showtime cable (有线的）channel acknowledged the Connecticut killings —the second-most fatal mass shooting in the U.S. — before recent airings .(播放）of "Dexter," a show about a serial killer, and "Homeland," a popular series about domestic terrorism.
The killings by a single gunman armed with two handguns and a semi-automatic rifle have caused debates over the need for gun control and violence in Hollywood' s movies. President Barack Obama said he would "use whatever power this office holds" to prevent further tragedies.
"Due to the terrible tragedy in Newtown, Connecticut, and out of honor and respect for the families of the victims whose lives were senselessly taken, we are postponing, tomorrow's Pittsburgh premiere of 'Jack Reacher, Paramount said in an e- mailed statement on Dec. 14. "Our hearts go out to all those who lost loved ones."
56. When did the shooting mentioned in the passage happen? (no more than 3 words)
57. Where did the shooting happen? (no more than 5 words)
58. How many TV shows and movies had planned to be put on before the shooting? (no more than 1 word)
59. Which film or TV show was canceled? (no more than 2 words)
60. What have the killings caused? (no more than 12 words)
