CREATE TABLE table_30190 ("No. in series" FLOAT, "No. in season" FLOAT, "Title" CLOB, "Directed by" CLOB, "Written by" CLOB, "Original air date" CLOB, "Production code" FLOAT)

Who wrote 'bohemian rhapsody'?
SELECT "Written by" FROM table_30190 WHERE "Title" = 'Bohemian Rhapsody'
SELECT "Written by" FROM "table_30190" WHERE "Title" = 'Bohemian Rhapsody'