CREATE TABLE table_80025 ("Model" TEXT, "Seats" TEXT, "Period" TEXT, "Built" FLOAT, "Country" TEXT)

Between which years were there 241 fokker 70 model cabins built?
SELECT "Period" FROM table_80025 WHERE "Built" < '241' AND "Model" = 'fokker 70'
SELECT "Period" FROM "table_80025" WHERE "Built" < '241' AND "Model" = 'fokker 70'