Question: what was the name of the team opponent to Elfsborg
SQL: SELECT "Team" FROM "1-29261823-10" WHERE "Opponent" = 'Elfsborg';

Question: what is the score in the 1st leg where the contest and round was in Europa League Play Off Round
SQL: SELECT COUNT("1st leg score*") FROM "1-29261823-10" WHERE "Contest and round" = 'Europa League Play Off Round';

Question: what is the name of the team which aggregate score is L 1–2
SQL: SELECT "Team" FROM "1-29261823-10" WHERE "Aggregate score" = 'L 1–2';

Question: what is the aggregate score for the Europa League Play Off Round contest and round
SQL: SELECT "Aggregate score" FROM "1-29261823-10" WHERE "Contest and round" = 'Europa League Play Off Round';