Context: CREATE TABLE table_name_89 (operator VARCHAR, project_name VARCHAR, peak VARCHAR, year_startup VARCHAR)
Question: What is the operator for peak 90, in startup year 2010 for the project named Aosp expansion 1 (jackpine ph 1a)?
Answer: SELECT operator FROM table_name_89 WHERE peak = "90" AND year_startup = "2010" AND project_name = "aosp expansion 1 (jackpine ph 1a)"