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_55787 ( "Ordinary income rate" text, "Long-term capital gain rate" text, "Short-term capital gain rate" text, "Long-term gain on commercial buildings*" text, "Long-term gain on collectibles" text )

### Question ###
What is the long-term gain for commercial buildings with a short-term capital gain rate of 15%?

### Accurate SQL ###

SELECT "Long-term gain on commercial buildings*" FROM table_55787 WHERE "Short-term capital gain rate" = '15%'