Table: football_match_data_2
Columns: date
opponent
venue
result
scorers

Question: what is the date when the opponent is leeds united?
SQL: SELECT "date" FROM football_match_data_2 WHERE "opponent" = 'leeds united'

Question: what is the date when scorers is parkinson?
SQL: SELECT "date" FROM football_match_data_2 WHERE "scorers" = 'parkinson'

Question: who is the opponent on 31 jul?
SQL: SELECT "opponent" FROM football_match_data_2 WHERE "date" = '31 jul'

Question: what is the result when the opponent is blackburn rovers?
SQL: SELECT "result" FROM football_match_data_2 WHERE "opponent" = 'blackburn rovers'