Question: Who is the mother of Tsarevich Ivan Ivanovich, formerly of the county that experienced the 2004 bombing of the transit line that contains Kotelniki station?

<P0-S0> The official investigation concluded that it was organized by the same group as the February 2004 Moscow metro bombing, as well as two previous terrorist attacks on bus stops in Voronezh, southern Russia, in 2004. <P0-S1> The deaths included the bomber and her accomplice, Nikolay Kipkeev (Kipkeyev), the head of an Islamic militant group Karachay Jamaat from the republic of Karachay–Cherkessia, as the bomb apparently exploded prematurely while the two were standing in the entrance hall of the metro station. <SEP> <P1-S0> Dmitri Ivanovich (; 11 October 155226 June 1553) was the first Tsarevich or Tsesarevich - the heir apparent - of the Tsardom of Russia, as the eldest son of Ivan the Terrible, or "Ivan IV of Russia" and his first Tsaritsa, Anastasia Romanovna. <P1-S1> He was the third child and first son of the couple and died in infancy. <SEP> <P2-S0> on 6 august 1945, the u.s. dropped an atomic bomb on the japanese city of hiroshima in the first nuclear attack in history. <P2-S1> in a press release issued after the atomic bombing of hiroshima, truman warned japan to surrender or "...expect a rain of ruin from the air, the like of which has never been seen on this earth." <P2-S2> three days later, on 9 august, the u.s. dropped another atomic bomb on nagasaki, the last nuclear attack in history. <P2-S3> more than 140,000–240,000 people died as a direct result of these two bombings. <P2-S4> the necessity of the atomic bombings has long been debated, with detractors claiming that a naval blockade and aerial bombing campaign had already made invasion, hence the atomic bomb, unnecessary. <P2-S5> however, other scholars have argued that the bombings shocked the japanese government into surrender, with emperor finally indicating his wish to stop the war. <P2-S6> another argument in favor of the atomic bombs is that they helped avoid operation downfall, or a prolonged blockade and bombing campaign, any of which would have exacted much higher casualties among japanese civilians. <P2-S7> historian richard b. frank wrote that a soviet invasion of japan was never likely because they had insufficient naval capability to mount an amphibious invasion of hokkaidō. <SEP> <P3-S0> the 2004 madrid train bombings (also known in spain as 11-m) were nearly simultaneous, coordinated bombings against the cercanías commuter train system of madrid, spain, on the morning of 11 march 2004 – three days before spain's general elections. <P3-S1> the explosions killed 193 people and injured around 2,000. the bombings constituted the deadliest terrorist attack carried out in the history of spain and the deadliest in europe since the 1988 bombing of pan am flight 103 over lockerbie, scotland. <P3-S2> the official investigation by the spanish judiciary found that the attacks were directed by an al-qaeda terrorist cell, although no direct al-qaeda participation has been established. <P3-S3> although they had no role in the planning or implementation, the spanish miners who sold the explosives to the terrorists were also arrested. <SEP> <P4-S0> Kotelniki () is a station on the Moscow Metro's Tagansko-Krasnopresnenskaya Line. <P4-S1> The eastern terminus of the line, east of the station of Zhulebino, was opened on 21 September 2015. <P4-S2> The station is located in the town of Kotelniki of Moscow Oblast. <P4-S3> It is the second station of Moscow Metro in Moscow Oblast after Myakinino. <P4-S4> In 1984, after the western part of the town of Lyubertsy was transferred to Moscow, rapid urban development started. <P4-S5> The whole area, along with Lyubertsy and other areas along the Kazansky and Ryazansky suburban directions of Moscow Railway were strongly dependent on the station of Vykhino, then the terminus of the Tagansko-Krasnopresnenskaya Line and a transfer station to both railway directions. <P4-S6> In the 2000s, Vykhino was heavily overloaded. <P4-S7> Eventually, the decision was taken to extend the Tagansko-Krasnopresnenskaya Line beyond Vykhino. <P4-S8> The construction of the first stretch, with the stations of Lermontovsky Prospekt and Zhulebino, was completed on 9 November 2013. <P4-S9> The second stretch connected Zhulebino and Kotelniki.