CREATE TABLE table_203_160 (id DECIMAL, "rank" DECIMAL, "heat" DECIMAL, "nation" TEXT, "competitors" TEXT, "time" TEXT, "notes" TEXT)

which nation came before spain ?
SELECT "nation" FROM table_203_160 WHERE "rank" = (SELECT "rank" FROM table_203_160 WHERE "nation" = 'spain') - 1
SELECT "nation" FROM "table_203_160" WHERE "rank" = (SELECT "rank" FROM "table_203_160" WHERE "nation" = 'spain') - 1