CREATE TABLE table_203_350 (id DECIMAL, "team #1" TEXT, "agg." TEXT, "team #2" TEXT, "1st leg" TEXT, "2nd leg" TEXT)

how many matches ended in an aggregate tie record ?
SELECT COUNT(*) FROM table_203_350 WHERE "agg." = "agg."
SELECT COUNT(*) FROM "table_203_350" WHERE "agg." = "agg."