What was the delivery date when s2 (lst) type, s2 (frigate) type, c1-m type was delivered?
CREATE TABLE "yards_on_the_west_coast" (
  "yard_name" text,
  "location_city_state" text,
  "1st_ship_delivery_date" text,
  "ship_types_delivered" text,
  "total_number_of_ways" text,
  "total_vessels_built" text
);
SELECT "1st_ship_delivery_date" FROM "yards_on_the_west_coast" WHERE "ship_types_delivered"='S2 (LST) type, S2 (frigate) type, C1-M type';