Table: tennis_match_results_30
Columns: outcome
date
championship
surface
opponent_in_the_final
score_in_the_final

Question: What was the outcome on 25 october 2004?
SQL: SELECT "outcome" FROM tennis_match_results_30 WHERE "date" = '25 october 2004'

Question: Which opponent was a runner-up on 2 march 1998?
SQL: SELECT "opponent_in_the_final" FROM tennis_match_results_30 WHERE "outcome" = 'runner-up' AND "date" = '2 march 1998'

Question: Which championship had an oppenent of mario ančić in the final?
SQL: SELECT "championship" FROM tennis_match_results_30 WHERE "opponent_in_the_final" = 'mario ančić'