In this task, you are given a set of context paragraph and some supporting facts to answer a question. Your task is to generate answer for given question based on set of context paragraphs and supporting facts.

Context_1 : Leningrad (Russian: ), also known as Gruppirovka Leningrad (Russian: "" ) and Bandformirovanie Leningrad (Russian: "" ), is a popular Russian rock band from Saint Petersburg (formerly Leningrad), led by Sergey "Shnur" Shnurov. Context_2 : Aquarium or Akvarium (Russian: ; often stylized as A) is a Russian rock group formed in Leningrad (now Saint Petersburg, Russia) in 1972. The band had many member changes over its 40-year history, and at the end the only remaining original member was lead singer and founder Boris Grebenshikov. Former band members have included Anatoly Gunitsky, Dyusha Romanov, Sergey Kuryokhin, and Vsevolod Gackel. Context_3 : Alexander Valentinovich Titov (Russian: ; born 18 July 1957 in Leningrad) is a Russian rock musician, known for his role as bassist of the band Aquarium, position previously held by Fan (Michael Feinstein-Vasiliev). He has also performed with the bands Avgust, Pop-Mekhanika, and Kino. Context_4 : Red Wave: 4 Underground Bands from the Soviet Union was a split double album released in 1986 and featuring Russian rock bands Aquarium, Kino, Alisa, and Strannye Igry (Strange Games), all from Leningrad. It was the first release of Russian rock music into the United States. Context_5 : Leningrad Cowboys Meet Moses is a 1994 film directed by Aki Kaurismaki. It is a sequel to the popular 1989 film "Leningrad Cowboys Go America" that introduced the fictional Russian rock band Leningrad Cowboys which, subsequently, became a notable real life rock band in Finland. Context_6 : Alexander Georgievich Vasilyev (Russian: eope ; born July 15, 1969 in Leningrad) is a singer, songwriter, and frontman of the Russian rock group "Splean". Vasilyev also released one solo album, and sometimes assisted other groups and artists. Context_7 : Piknik (Picnic, Russian: ) is a Russian rock band known for its unique style which is a mixture of art rock, progressive rock and original Russian rock. The band was formed in 1978 in Leningrad by Sergey Omelnichenko, Evgeny Voloschuk, Aleksey Dobychin and Edmund Shklyarskiy. Piknik is considered to be one of the "classic" Russian rock bands. Originated from the classic rock with huge influence of Jethro Tull and Led Zeppelin, its music progressed into its own style with using symphonic and exotic folk instruments. Also Piknik is considered sometimes to be the first Russian gothic rock band due to its specific sound, stage performances and dark lyrics. Context_8 : N.E.P. (Russian: "..." ) is a Russian rock band formed in 1988 in Saint Petersburg, then Leningrad, and widely credited as a legend of Russian rock music and classics of Russian rock, according to the biggest national mainstream rock radio. Context_9 : The Leningrad Rock Club (Russian: - ) was a historic music venue of the 1980s in Leningrad, situated on Rubinstein Street in the city center. Opened in 1981 and overseen by the KGB, it became the first legal rock music venue in Leningrad. Overall, it was the largest rock scene in the Soviet Union, which featured such bands as Televizor, Kino, Alisa, Aquarium, Zoopark, Piknik, Automatic Satisfiers, DDT, NEP, Grazhdanskaya Oborona (formally), and became an important influence on the Russian rock. Context_10 : Orgia Pravednikov (Russian: " " , translated as 'Orgy of The Righteous') is a Russian rock group formed in 1999. The peculiar sound of the band arises from the combination of acoustic (flute and acoustic guitar) and electric (drums, electric guitar and bass guitar) sessions. fact_1 : Alexander Valentinovich Titov (Russian: ; born 18 July 1957 in Leningrad) is a Russian rock musician, known for his role as bassist of the band Aquarium, position previously held by Fan (Michael Feinstein-Vasiliev). fact_2 : He has also performed with the bands Avgust, Pop-Mekhanika, and Kino. fact_3 : Aquarium or Akvarium (Russian: ; often stylized as A) is a Russian rock group formed in Leningrad (now Saint Petersburg, Russia) in 1972. Question: What Russian rock group formed in Leningrad has a bassist who also performed with Avvgust?
Aquarium