Table: tennis_match_results_12
Columns: outcome
date
tournament
surface
opponent
score

Question: What is the tournament on 22 October 2012?
SQL: SELECT "tournament" FROM tennis_match_results_12 WHERE "date" = '22 october 2012'

Question: What is the date of the tournament with Alena Tarasova as the opponent?
SQL: SELECT "date" FROM tennis_match_results_12 WHERE "opponent" = 'alena tarasova'