CREATE TABLE table_29196 ("No. in series" FLOAT, "Title" TEXT, "Directed by" TEXT, "Written by" TEXT, "Original airdate" TEXT, "Production code" TEXT)

The episode with production code 693-002, has how many original airdates?
SELECT COUNT("Original airdate") FROM table_29196 WHERE "Production code" = '693-002'
SELECT COUNT("Original airdate") FROM "table_29196" WHERE "Production code" = '693-002'