CREATE TABLE table_31871 ("Date" CLOB, "Venue" CLOB, "Score" CLOB, "Result" CLOB, "Competition" CLOB)

Tell me the score of praterstadion, vienna, and competition of euro 1980 qualifier
SELECT "Result" FROM table_31871 WHERE "Venue" = 'praterstadion, vienna' AND "Competition" = 'euro 1980 qualifier'
SELECT "Result" FROM "table_31871" WHERE "Competition" = 'euro 1980 qualifier' AND "Venue" = 'praterstadion, vienna'