In this task, you're given a context, further information available on a particular linked term from the statement, and an answer term. Your job is to generate a question that can use the information provided to obtain the given answer. You should use the information on both context and link information to create the question. Note that the answer to the question should be exactly the given answer, and if the answer is none, the answer to the question shouldn't be obtainable from the context or linked information.

Context: Romanovychi displaced the older line of Izyaslavychi from Turov and Volhynia as well as Rostyslavychi from Galicia. The last were two brothers of Romanovychi, Andrew and Lev II, who ruled jointly Link Information: none Answer: none
Of the last two Ruthenian kings were joint rulers, which was the oldest?

Context: In 1976, Sobel moved to Florida, where she worked as a school teacher and a community activist, working on the campaigns of mayoral candidate Mara Giulanti and City Commission candidate Kenneth A. Gottlieb, Link Information: none Answer: none
What city did Kenneth A. Gottlieb run for City Commission of in 1976?

Context: n 1986, Mitsubishi Electric researchers Yoichi Akasaka and Tadashi Nishimura laid out the basic concepts and proposed technologies for 3D ICs. Link Information: In 1990, a Matsushita research team including K. Yamazaki, Y. Itoh and A. Wada fabricated a parallel image signal processor on a four-layer 3D IC, with SOI (silicon-on-insulator) layers formed by laser recrystallization, and the four layers consisting of an optical sensor, level detector, memory and ALU. Answer:  Matsushita

Which of the companies involved with the three-dimensional integrated circuit was founded first?