What date of segment description red line mos-2 north open?
CREATE TABLE table_1817879_2 (date_opened VARCHAR, segment_description VARCHAR)
SELECT date_opened FROM table_1817879_2 WHERE segment_description = "Red Line MOS-2 North"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_1817879_2 (date_opened VARCHAR, segment_description VARCHAR) Question: What date of segment description red line mos-2 north open? [/INST] SELECT date_opened FROM table_1817879_2 WHERE segment_description = "Red Line MOS-2 North" </s>