CREATE TABLE table_19805 ("#" FLOAT, "Episode" CLOB, "Writer" CLOB, "Director" CLOB, "Original air date" CLOB, "Viewing figure" CLOB)

Who wrote the episode that David Tucker directed?
SELECT COUNT("Writer") FROM table_19805 WHERE "Director" = 'David Tucker'
SELECT COUNT("Writer") FROM "table_19805" WHERE "Director" = 'David Tucker'