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_27181 ( "Year" text, "Amiga demo" text, "PC demo" text, "C64 demo" text, "Amiga intro" text, "PC intro" text )

### Question ###
What won best pc demo when tower power (camelot) won best c64 demo?

### Accurate SQL ###

SELECT "PC demo" FROM table_27181 WHERE "C64 demo" = 'Tower Power (Camelot)'