Table: uefa_cup_final_1973_2
Columns: round
opposition
first_leg
second_leg
aggregate_score

Question: What was the first leg score in the match against Twente?
SQL: SELECT "first_leg" FROM uefa_cup_final_1973_2 WHERE "opposition" = 'twente'

Question: What was the first leg score in the 2nd round?
SQL: SELECT "first_leg" FROM uefa_cup_final_1973_2 WHERE "round" = '2nd'