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_72173 ( "Round" real, "Grand Prix" text, "Pole Position" text, "Fastest Lap" text, "Winning Driver" text, "Winning Constructor" text, "Report" text )

### Question ###
Who had the fastest lap in the Belgian Grand Prix?

### Accurate SQL ###

SELECT "Fastest Lap" FROM table_72173 WHERE "Grand Prix" = 'Belgian Grand Prix'