Passage: The first trailer was released on January 29, 2014. The trailer had over 3 million views in less than 24 hours, and more than 15 million views in its first seven days. A video clip was shown before the show at the 2014 MTV Movie Awards on April 13. An extended trailer was released on April 28, and Fox released more clips via YouTube as part of the film's pre-release promotion. On April 2, the studio announced the launch of a promotional tour program named Demand Our Stars. Green, Woodley, Elgort, and Wolff would visit the states that got most votes from fans re-blogging their states' map outlines. Four states won: the tour program started in Miami, Florida, on May 6; went to Cleveland, Ohio, on May 7; then went to Nashville, Tennessee, on May 8; and ended in Dallas, Texas, on May 9.

Question: What date was the clip shown?
April 13