Table: tennis_matches_19
Columns: date
tournament
surface
opponent
score

Question: What is the surface when the tournament is manta, ecuador?
SQL: SELECT "surface" FROM tennis_matches_19 WHERE "tournament" = 'manta, ecuador'

Question: What is the surface for the tournament of manta, ecuador?
SQL: SELECT "surface" FROM tennis_matches_19 WHERE "tournament" = 'manta, ecuador'

Question: What tournament is lesley joseph the opponent?
SQL: SELECT "tournament" FROM tennis_matches_19 WHERE "opponent" = 'lesley joseph'

Question: What date was marcos daniel the opponent?
SQL: SELECT "date" FROM tennis_matches_19 WHERE "opponent" = 'marcos daniel'