 <translate> Q: Passage: The second season of the American television medical drama Grey's Anatomy commenced airing on the American Broadcasting Company (ABC) on September 25, 2005, and concluded on May 15, 2006. The season was produced by Touchstone Television, in association with Shondaland production company and The Mark Gordon Company, the showrunner being Shonda Rhimes. Actors Ellen Pompeo, Sandra Oh, Katherine Heigl, Justin Chambers, and T.R. Knight reprised their roles as surgical interns Meredith Grey, Cristina Yang, Izzie Stevens, Alex Karev, and George O'Malley, respectively. Previous main cast members Chandra Wilson, James Pickens, Jr., Isaiah Washington, and Patrick Dempsey also returned, while Kate Walsh, who began the season in a recurring capacity, was promoted to series regular status, after appearing in seven episodes as a guest star.

Question: Based on this passage, when did season 2 of greys anatomy air?
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 <yor> Q: Passage: Àkókò kejì ti eré ìṣègùn orí tẹlifíṣọ̀n Amẹ́ríkà Grey's Anatomy bẹ̀rẹ̀ síí jáde lórí ilé iṣẹ́ tẹlifíṣọ̀n American Broadcasting Company (ABC) ní September 25, 2005, ó sì parí ní May 15, 2006. Touchstone Television ni ó ṣe eré náà, ní àjọṣepọ̀ pẹ̀lú ilé iṣẹ́ tí ó ń ṣe eré Shondaland àti ilé iṣẹ́ tí ó ń ṣe eré The Mark Gordon Company, Shonda Rhimes ni ó sì ṣe eré náà. Àwọn òṣèré Ellen Pompeo, Sandra Oh, Katherine Heigl, Justin Chambers, àti T.R. Knight tún padà ṣe àwọn ipa wọn gẹ́gẹ́ bí àwọn oníṣẹ́ abẹ tí wọ́n ń ṣe ìdánilẹ́kọ̀ọ́ Meredith Grey, Cristina Yang, Izzie Stevens, Alex Karev, àti George O'Malley, lẹ́sẹ̀kẹsẹ̀. Awọn ọmọ ẹgbẹ oṣere akọkọ ti iṣaaju Chandra Wilson, James Pickens, Jr., Isaiah Washington, ati Patrick Dempsey tun pada, lakoko ti Kate Walsh, ti o bẹrẹ akoko naa ni agbara ti o tun pada, ni igbega si ipo deede ti jara, lẹhin ti o han ni awọn iṣẹlẹ meje bi irawọ alejo kan.  Ìbéèrè: Ní ìbámu pẹ̀lú àyọkà yìí, ìgbà wo ni sáà kejì Grey's Anatomy jáde? Ẹ jẹ́ kí a fún ìsun ìmọ̀lára ní ìsàlẹ̀ 