how many people come to visit when the 1654 exhibitions
CREATE TABLE "table1_27685921_1" (
  "year" real,
  "exhibitors_domestic" real,
  "exhibitors_foreign" real,
  "exhibitors_total" real,
  "visitors_total" real,
  "visitors_foreign_in_pct" text
);
SELECT COUNT("visitors_total") FROM "table1_27685921_1" WHERE "exhibitors_total"=1654;