Mariya Matveyevna Stepanova created the leading soprano role in which opera based on a 1820 poem?
Mariya Matveyevna Stepanova: Mariya Matveyevna Stepanova (Russian: Мария Матвеевна Степанова) (1811 or 1816 – 1903) was a Russian opera singer who created the leading soprano roles in "A Life for the Tsar", "Ruslan and Lyudmila", and "Dmitry Donskoy". Ruslan and Lyudmila (opera):  The opera is based on the 1820 poem of the same name by Alexander Pushkin.
Ruslan and Lyudmila