CREATE TABLE table_203_5 (id DECIMAL, "season" TEXT, "competition" TEXT, "round" TEXT, "opponent" TEXT, "home" TEXT, "away" TEXT, "aggregate" TEXT)

how many times did they make it to the first round ?
SELECT COUNT(*) FROM table_203_5 WHERE "round" = 'first round'
SELECT COUNT(*) FROM "table_203_5" WHERE "round" = 'first round'