Question: Haruka Shimazaki was a member of which Japanese idol girl group that is produced by Yasushi Akimoto?

full_context: Document 1: SKE48: SKE48 (S.K.E. Forty-eight) is a Japanese idol girl group produced by Yasushi Akimoto. The group performs at SKE48 Theater on 2F of Sunshine Sakae in Sakae, Nagoya. Avex Group is its current official label.
Document 2: SDN48: SDN48 (read "S.D.N. Forty-eight", short for Saturday Night 48) was a Japanese idol girl group, created and produced by Yasushi Akimoto. SDN48 was created based on an "adult idol" concept. Former AKB48 member Kayo Noro was chosen as the captain of the group. In November 2010, the group made their major label debut with "Gagaga". The group ended with a farewell concert on March 31, 2012.
Document 3: Haruka Katayama: Haruka Katayama (片山 陽加 , Katayama Haruka , born 10 May 1990, in Aichi Prefecture, Japan) , is a Japanese actress and "tarento" who is a former member of the idol group AKB48's team A produced by Yasushi Akimoto. She debuted in 2007 with team B, joined team A in 2010, and returned to team B in 2012.
Document 4: High Tension (song): High Tension (ハイテンション ) is the 46th single by Japanese idol girl group AKB48. It was released on  16, 2016 (2016--) through You, Be Cool!/King Records. This is the final single appearance of Haruka Shimazaki, who left the group shortly after the release. The single's choreography is also centered by Shimazaki. The title song is used as the theme song of their drama "Cabasuka Gakuen" premiered on October 30, 2016.
Document 5: NGT48: NGT48 (read "N.G.T. Forty-eight") is a Japanese idol girl group formed in October 2015 in Niigata produced by Yasushi Akimoto. The group performs at the NGT48 Theater which is located in the fourth floor of the LoveLa2 shopping mall in Niigata city.
Document 6: Minami Takahashi: Minami Takahashi (高橋 みなみ , Takahashi Minami , born April 8, 1991 in Tokyo) is a former member of the Japanese idol girl group AKB48 under Team A. She is the former General Director (総監督 , sōkantoku ) of AKB48 and its sister groups. In an interview with Nippon Television in June 2010, AKB48 producer Yasushi Akimoto described her as the "eldest daughter of the 48 sisters". She is commonly part of the main lineup for the AKB48 singles. She is a member of the AKB48 sub-group no3b, along with AKB48 member Minami Minegishi and ex-member Haruna Kojima.
Document 7: Haruka Shimazaki: Haruka Shimazaki (島崎 遥香 , Shimazaki Haruka , born March 30, 1994 in Saitama Prefecture) is a Japanese singer and actress, former member of the Japanese idol group AKB48. She was in Team A. However, she graduated from the group in 2016.
Document 8: Saisakizaka: "Saisakizaka" (幸先坂 , "Fortune Hill Road") is the debut single by Japanese actress Yōko Maki, released on May 27, 2013. The Ringo Sheena-produced song was used as the theme song to the film "The Ravine of Goodbye" (2013), Maki's first leading film role since "Veronika Decides to Die" in 2005.
Document 9: AKB48: AKB48 (pronounced "A.K.B. Forty-eight") is a Japanese idol girl group named after the Akihabara ("Akiba" for short) area in Tokyo, where the group's theater is located. The group has expanded since then to include over 130 members as of 2015 , aged from their early teens to their mid-20s. AKB48's producer, Yasushi Akimoto, wanted to form a girl group with its own theater (unlike pop groups performing occasional concerts and seen on television) and performing daily so fans could always see them live. This "idols you can meet" concept includes teams which can rotate performances and perform simultaneously at several events and "handshake" events, where fans can meet group members. Akimoto has expanded the AKB48 concept to several sister groups in China, Japan and Indonesia, with upcoming groups announced for the Philippines, Taiwan and Thailand.
Document 10: Sayonara (Orange Range song): "Sayonara" is the 16th single from the Japanese band Orange Range. "Sayonara" was used as theme song for the TBD drama "Teppan Shōjo Akane!!". The single also had two other songs used in various Japanese ads. People believe this single says farewell to the old band with Kazuhito "Katchan", and hello to the band's future. The video shows depressing scenes of a woman who lost someone dear, and how he watches over her, while at the end, is happy that she'll always love and never forget him and says "Sayonara" to her and vanishes. The man might have been her husband or boyfriend. He smiles at the end of the video when she is walking with a new husband or boyfriend, and continues to watch over her. Part of Kizuna is dedicated to Kat-chan.
Document 11: HKT48: HKT48 (read "H.K.T. Forty-eight") is a Japanese idol girl group produced by Yasushi Akimoto. The group currently performs at HKT48 Theater at Nishitetsu Hall in Fukuoka from April 28, 2016.
Document 12: Killer BiSH: Killer BiSH is the third album by Japanese idol group BiSH released through Avex Trax on October 5, 2016. The album is the first full album by the group to be released from a major label. The album is the first release to feature new member Ayuni D, who joined the group in August 2016 following the departure of Hug Mii. Unlike their independent label albums, songs from the album were not released as free downloads prior to release. However, the album was released in its entirety in digital format a month prior to the physical release. The first 24 hours of the digital release had all of the group's releases including KiLLER BiSH priced at 300 yen. The album was preceded by the single "DEADMAN", released on May 4, 2016. The music video for the track "Orchestra" was posted on Youtube on September 9. RUKA from Visual-kei band Nightmare, a well known fan of BiSH and BiS, provided the music for the track "IDOL is SHiT". The track title is an homage to BiS's album IDOL is DEAD while the track is an homage to the song "IDOL" from that album.
Document 13: JUMPing Car: JUMPing CAR is the fourth album released by Hey! Say! JUMP. Through this album, the members want to tell their fans, ""During fun times and sad times, get on the JUMPing CAR and move forward with us!"" The album includes 15 songs including their singles: "Weekender/Asu e no YELL" and "Chau#/我 I Need You". The album was released in 3 different versions: Limited Edition 1, Limited Edition 2, and Regular Edition. Limited Edition 1 includes the Hey! Say! JUMP version of the mysterious unit Sensations and their song "Koro Sensations", which was the theme song to Ryosuke Yamada's starring movie "Assassination Classroom". Meanwhile, Limited Edition 2 contains 3 unit songs, and Regular Edition contains 2 brand new songs.
Document 14: NMB48: NMB48 (read "N.M.B. Forty-eight") is a Japanese idol girl group that debuted in 2011 as the second sister group to AKB48, produced by Yasushi Akimoto. The group performs at the NMB48 Theater which is located in the basement of the Yes-Namba Building in Namba, Osaka. The name "NMB" comes from "Namba" in the Minami district in Osaka.
Document 15: Kishida Kyoudan &amp; The Akeboshi Rockets: Kishida Kyoudan & The Akeboshi Rockets (岸田教団&THE明星ロケッツ , Kishida Kyōdan & the Akeboshi Rockets ) is a Japanese rock band currently signed to Warner Bros. Home Entertainment. Beginning in 2004 as a one-man unit covering songs from different series, more members joined in 2007, and in 2010 the band made their major debut with the single "Highschool of the Dead", used as the opening theme of the 2010 anime television series "Highschool of the Dead".
ground_truth: AKB48