Answer the following question: I am a movie director and I just received the following movie plot. Could you help me answer this question? If not, let me know by writing "Not answerable". Plot title: Akira Movie plot: In 1988, Tokyo is destroyed in a single explosion and World War III begins. A new city called Neo-Tokyo is eventually built in its place, but by 2019, a year before the city is set to host the XXXII Olympic Games, the dystopian metropolis is gripped by anti-government terrorism and gang violence. One night, teen delinquent Shotaro Kaneda has his bosozoku gang, the Capsules, battle the Clowns, their rivals. During the fighting, Kaneda's best friend, Tetsuo Shima, crashes his motorcycle to avoid Takashi, an esper with psychic powers who fled from a secret government laboratory. Colonel Shikishima of the Japan Self-Defense Force, assisted by another esper called Masaru, escorts Takashi back to his home and hospitalizes Tetsuo. When Kaneda and his gang are interrogated, he encounters Kei, a member of the revolutionaries, and arranges her release along with the Capsules. Shikishima and Doctor Onishi discover that Tetsuo possesses psychic abilities similar to Akira, an esper who caused Tokyo's destruction. Meanwhile, Takashi's friend Kiyoko has visions of Neo-Tokyo's impending destruction, and Shikishima proposes killing Tetsuo to prevent this from happening. Fleeing from the hospital, Tetsuo steals Kaneda's motorcycle, accompanied by his girlfriend Kaori, but the Clowns attack them both; the Capsules stop the fight. Suffering severe migraines and hallucinations, Tetsuo is taken back to the hospital. During a terrorist attack, Kaneda rescues Kei from capture and joins the rebels when he overhears their plans to capture Tetsuo. At the hospital, the espers attempt to help Tetsuo bring forth his psychic powers by heightening his emotional distress, but fail. Tetsuo, enraged, attacks the hospital, intent on killing the espers. Kaneda, Kei and Shikishima attempt to stop Tetsuo's assault, but are unsuccessful. Learning Akira lies in cryonic storage next to the Olympic Stadium's construction ground in Old-Tokyo, Tetsuo escapes the hospital. Aided telepathically by Kiyoko, Kei escapes along with Kaneda to prevent... My question: What year was Tokyo destroyed?
Answer:
1988