Given the question: Extract the answer to the following question from the movie plot. If the question isn't answerable, please output "Can't answer". Question: Who is Otto Krieg? Title: The Punisher Movie plot: Frank Castle is the city's most wanted, and most mysterious, vigilante, known as "The Punisher". He has killed 125 criminals in the past five years. An ex-police officer, Castle's family was murdered in a mob hit, in which Castle was also thought to have perished. This combined with Castle's furtive methods of attack have made the Punisher's identity a mystery to the general public. Living in the sewers and waging a one-man war against organized crime, his only friend is an old alcoholic named Shake, a former stage actor who speaks in rhyme for reasons unexplained. Now legally declared dead, Castle strikes back from beyond the grave, killing mobsters wherever he can find them. Due to his war against them, the Mafia families have weakened, forcing one of the family leaders, Gianni Franco, to come out of retirement. Franco has a plan to unify the families. This, however, has attracted the attention of the Yakuza, Asia's most powerful crime syndicate. Led by Lady Tanaka, the Yakuza decide to take over the Mafia families and all of their interests. In order to sway the mobsters to their cause, they kidnap their children and hold them for ransom. Shake pleads with the Punisher to save the children, who are likely to be sold into the Arab slave trade regardless of whether or not the Mafia give into the demands. The Punisher attacks Yakuza businesses, warning that for every day the children are held in captivity, he will inflict heavy costs on them in property damage. The Yakuza later capture the Punisher and Shake and attempt to torture them into submission, but Punisher breaks free and decides the only course of action is a direct rescue. He is able to save most of the children with a .45 Thompson M1928 submachine gun against the Yakuza guards and commandeers a bus to get the kidnapped children to safety. However prior to this Tommy Franco, the son of Gianni Franco, had been taken away to Yakuza headquarters. When driving the busload of kids, the Punisher runs into a police roadblock and is arrested. While in...
The answer is:
Can't answer