How many locations featured the Webb Family?
CREATE TABLE "table1_19897294_11" (
  "no_in_series" text,
  "no_in_season" real,
  "family_families" text,
  "location_s" text,
  "original_air_date" text
);
SELECT COUNT("location_s") FROM "table1_19897294_11" WHERE "family_families"='The Webb Family';