CREATE TABLE table_17278 ("Series #" FLOAT, "Season #" FLOAT, "Title" CLOB, "Directed by" CLOB, "Written by" CLOB, "Original air date" CLOB, "Production code" CLOB)

Which tittles have an original air date of March 19, 1998
SELECT "Title" FROM table_17278 WHERE "Original air date" = 'March 19, 1998'
SELECT "Title" FROM "table_17278" WHERE "Original air date" = 'March 19, 1998'