CREATE TABLE table_203_81 (id DECIMAL, "date" TEXT, "constituency" TEXT, "gain" TEXT, "loss" TEXT, "note" TEXT)

for loss , what 's the number of times labor party is listed ?
SELECT COUNT(*) FROM table_203_81 WHERE "loss" = 'labour party'
SELECT COUNT(*) FROM "table_203_81" WHERE "loss" = 'labour party'