What is the year when sigourney weaver was nominated for best actress?
CREATE TABLE table_name_26 (year__ceremony_ VARCHAR, category VARCHAR, actor_actress VARCHAR)
SELECT year__ceremony_ FROM table_name_26 WHERE category = "best actress" AND actor_actress = "sigourney weaver"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_name_26 (year__ceremony_ VARCHAR, category VARCHAR, actor_actress VARCHAR) Question: What is the year when sigourney weaver was nominated for best actress? [/INST] SELECT year__ceremony_ FROM table_name_26 WHERE category = "best actress" AND actor_actress = "sigourney weaver" </s>