CREATE TABLE "table1_17624965_1" (
  "no_in_series" real,
  "no_in_season" real,
  "title" text,
  "directed_by" text,
  "written_by" text,
  "original_air_date" text,
  "production_code" real
);

Question: What was the name of eipsode 618?
SQL: SELECT "title" FROM "table1_17624965_1" WHERE "production_code"=618;

Question: When did "secrets" air?
SQL: SELECT "original_air_date" FROM "table1_17624965_1" WHERE "title"='\"Secrets\"';

Question: How many seasons did "strangled, not stirred" air?
SQL: SELECT COUNT("no_in_season") FROM "table1_17624965_1" WHERE "title"='\"Strangled, Not Stirred\"';

Question: How many episodes did Alison Maclean direct?
SQL: SELECT COUNT("written_by") FROM "table1_17624965_1" WHERE "directed_by"='Alison Maclean';