Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: 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)?

### Accurate SQL ###

SELECT operator FROM table_name_89 WHERE peak = "90" AND year_startup = "2010" AND project_name = "aosp expansion 1 (jackpine ph 1a)"