CREATE TABLE table_24313 ("Episode" FLOAT, "Title" CLOB, "Directed by" CLOB, "Written by" CLOB, "Originalairdate" CLOB, "Viewing Figures  ( millions )  Sourced by BARB ; includes ITV1 HD and ITV1 +1" CLOB)

What is the episode number for 'case two (part 1)'?
SELECT "Episode" FROM table_24313 WHERE "Title" = 'Case Two (Part 1)'
SELECT "Episode" FROM "table_24313" WHERE "Title" = 'Case Two (Part 1)'