what is the american name when the triple dotted value is 15/2 or 7 1/2?
CREATE TABLE "variations" (
  "american_name" text,
  "british_name" text,
  "value" text,
  "dotted_value" text,
  "double_dotted_value" text,
  "triple_dotted_value" text
);
SELECT "american_name" FROM "variations" WHERE "triple_dotted_value"='15/2 or 7 1/2';