Table: robert_smeets_tennis_stats
Columns: date
tournament
surface
opponent_in_the_final
score

Question: What surface did Smeets play on during the Kuwait tournament?
SQL: SELECT "surface" FROM robert_smeets_tennis_stats WHERE "tournament" = 'kuwait'

Question: What tournament did Smeets play against Mark nielsen?
SQL: SELECT "tournament" FROM robert_smeets_tennis_stats WHERE "opponent_in_the_final" = 'mark nielsen'

Question: Who was the opponent during the tournament in Kuwait?
SQL: SELECT "opponent_in_the_final" FROM robert_smeets_tennis_stats WHERE "tournament" = 'kuwait'