Name the number of builders for number 96
CREATE TABLE "table1_1748444_1" (
  "number" text,
  "builder" text,
  "type" text,
  "date_built" text,
  "heritage" text,
  "disposition" text,
  "notes" text
);
SELECT COUNT("builder") FROM "table1_1748444_1" WHERE "number"='96';