CREATE TABLE table_203_293 (id DECIMAL, "years of appearance" TEXT, "title" TEXT, "network" TEXT, "character name" TEXT, "actor" TEXT, "notes" TEXT)

how many shows aired before 1992 ?
SELECT COUNT("title") FROM table_203_293 WHERE "years of appearance" < 1992
SELECT COUNT("title") FROM "table_203_293" WHERE "years of appearance" < 1992