CREATE TABLE "participants" (
  "team_boat_name" text,
  "sail_no" text,
  "flag" text,
  "design_firm" text,
  "builder" text,
  "skipper" text
);

Question: Which flag was on the Green Marine's boat?
SQL: SELECT "flag" FROM "participants" WHERE "builder"='Green Marine';

Question: Who build the boat where Ken Read was the skipper?
SQL: SELECT "builder" FROM "participants" WHERE "skipper"='Ken Read';

Question: Farr Yacht Design designed boats for how many country/flags?
SQL: SELECT COUNT("flag") FROM "participants" WHERE "design_firm"='Farr Yacht Design';

Question: Who were the builders of the boat designed by Botin Carkeek?
SQL: SELECT "builder" FROM "participants" WHERE "design_firm"='Botin Carkeek';