Table: tennis_match_results_22
Columns: date
tournament
surface
opponent_in_the_final
score

Question: Which tournament has hard as the surface and apr. 12, 1998 as the date?
SQL: SELECT "tournament" FROM tennis_match_results_22 WHERE "surface" = 'hard' AND "date" = 'apr. 12, 1998'

Question: Which surface has wynne prakusya as the opponent in the final?
SQL: SELECT "surface" FROM tennis_match_results_22 WHERE "opponent_in_the_final" = 'wynne prakusya'

Question: What score has wynne prakusya as the opponent in the final?
SQL: SELECT "score" FROM tennis_match_results_22 WHERE "opponent_in_the_final" = 'wynne prakusya'

Question: What tournament has nov. 21, 1999 as the date?
SQL: SELECT "tournament" FROM tennis_match_results_22 WHERE "date" = 'nov. 21, 1999'