Table: tennis_match_results_48
Columns: outcome
date
surface
partner
opponents
score

Question: Which Opponents have a Partner of irina-camelia begu, and a Surface of hard?
SQL: SELECT "opponents" FROM tennis_match_results_48 WHERE "partner" = 'irina-camelia begu' AND "surface" = 'hard'

Question: Which Surface has a Partner of galina voskoboeva?
SQL: SELECT "surface" FROM tennis_match_results_48 WHERE "partner" = 'galina voskoboeva'

Question: Which Opponents have a Surface of hard, and an Outcome of runner-up, and a Partner of jarmila gajdošová?
SQL: SELECT "opponents" FROM tennis_match_results_48 WHERE "surface" = 'hard' AND "outcome" = 'runner-up' AND "partner" = 'jarmila gajdošová'

Question: Which Partner has a Date of 12 july 2009?
SQL: SELECT "partner" FROM tennis_match_results_48 WHERE "date" = '12 july 2009'

Question: Which Surface has a Partner of sorana cîrstea?
SQL: SELECT "surface" FROM tennis_match_results_48 WHERE "partner" = 'sorana cîrstea'