CREATE TABLE table_1876825_2 (production_code VARCHAR, written_by VARCHAR, directed_by VARCHAR)

Name the total number of production code by david richardson and todd holland
SELECT COUNT(production_code) FROM table_1876825_2 WHERE written_by = "David Richardson" AND directed_by = "Todd Holland"
SELECT COUNT("production_code") FROM "table_1876825_2" WHERE "David Richardson" = "written_by" AND "Todd Holland" = "directed_by"