Table: tomas_behrend_tournaments
Columns: date
tournament
surface
opponent_in_the_final
score

Question: Which Tournament has a Score of 6–4, 6–2?
SQL: SELECT "tournament" FROM tomas_behrend_tournaments WHERE "score" = '6–4, 6–2'

Question: Which Score has an Opponent in the final of mehdi tahiri?
SQL: SELECT "score" FROM tomas_behrend_tournaments WHERE "opponent_in_the_final" = 'mehdi tahiri'

Question: Which Date has a Score of 6–3, 7–6?
SQL: SELECT SUM("date") FROM tomas_behrend_tournaments WHERE "score" = '6–3, 7–6'

Question: Which Date has a Score of 7–6(3), 4–6, 6–2?
SQL: SELECT SUM("date") FROM tomas_behrend_tournaments WHERE "score" = '7–6(3), 4–6, 6–2'

Question: Which Surface has a Tournament of olbia?
SQL: SELECT "surface" FROM tomas_behrend_tournaments WHERE "tournament" = 'olbia'