What was the startup year for the project with a nioc operator?
CREATE TABLE table_name_89 (year_startup VARCHAR, operator VARCHAR)
SELECT year_startup FROM table_name_89 WHERE operator = "nioc"
### Context: CREATE TABLE table_name_89 (year_startup VARCHAR, operator VARCHAR) ### Question: What was the startup year for the project with a nioc operator? ### Answer: SELECT year_startup FROM table_name_89 WHERE operator = "nioc"