Table: korda_petr_1988_gstaad
Columns: date
tournament
surface
partner
opponent_in_the_final
score_in_the_final

Question: When has a Surface of clay, and an Opponent in the final of andrés gómez javier sánchez?
SQL: SELECT "date" FROM korda_petr_1988_gstaad WHERE "surface" = 'clay' AND "opponent_in_the_final" = 'andrés gómez javier sánchez'

Question: Which Tournament has a Partner of karel nováček?
SQL: SELECT "tournament" FROM korda_petr_1988_gstaad WHERE "partner" = 'karel nováček'

Question: Which Tournament is in 1993 with a Score in the final of 6–2, 2–6, 7–5?
SQL: SELECT "tournament" FROM korda_petr_1988_gstaad WHERE "date" = 1993 AND "score_in_the_final" = '6–2, 2–6, 7–5'