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_86 ( semimajor_axis___au__ VARCHAR, companion__in_order_from_star_ VARCHAR )

### Question ###
What Semimajor axis (AU) has a Companion (in order from star) of g?

### Accurate SQL ###

SELECT semimajor_axis___au__ FROM table_name_86 WHERE companion__in_order_from_star_ = "g"