 <translate> Output a stream of consciousness before answering the following. Passage: Albertsons Stadium is widely known for its unusual blue playing surface, installed in 1986, while Boise State was in the Big Sky Conference. It was the first non-green playing surface (outside of painted end zones) in football history and remained the only one among NCAA Division I FBS schools for almost 20 years.

Question: Based on this passage, when did boise state get the blue turf? <yor> Ṣáájú kó o tó dáhùn àwọn ìbéèrè tó tẹ̀ lé e yìí, kó o kọ́kọ́ sọ ohun tó wà lọ́kàn rẹ. Àkọlé àwòrán: Ilé eré ìdárayá Albertsons Stadium gbajúmọ̀ fún ibi eré ìdárayá aláwọ̀ búlúù rẹ̀ tí kò wọ́pọ̀, èyí tí wọ́n fi sori ẹrọ ní ọdún 1986, nígbà tí Boise State wà nínú Àpérò Big Sky. O jẹ akọkọ ti kii ṣe alawọ ewe ti nṣire (ni ita awọn agbegbe ipari ti a fi awọ ṣe) ni itan bọọlu afẹsẹgba ati pe o jẹ ọkan nikan laarin awọn ile-iwe NCAA Division I FBS fun fere ọdun 20.  Ìbéèrè: Ní ìbámu pẹ̀lú àyọkà yìí, ìgbà wo ni ìpínlẹ̀ Boise rí àgbègbè aláwọ̀ búlúù gbà? 