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_28417 ( "No." real, "#" real, "Title" text, "Directed by" text, "Written by" text, "U.S. viewers (million)" text, "Rank (week)" text, "Original air date" text, "Production code" text )

### Question ###
How many episode numbers were directed by Steven DePaul and titled 'Sudden Flight'?

### Accurate SQL ###

SELECT COUNT("#") FROM table_28417 WHERE "Directed by" = 'Steven DePaul' AND "Title" = 'Sudden Flight'