CREATE TABLE table_203_173 (id NUMBER, "year ( s ) " CLOB, "serial name" CLOB, "role" CLOB, "co-star" CLOB, "note ( s ) " CLOB, "channel" CLOB)

on how many shows did he play himself ?
SELECT COUNT("serial name") FROM table_203_173 WHERE "role" = 'himself'
SELECT COUNT("serial name") FROM "table_203_173" WHERE "role" = 'himself'