Table: open_1991_results
Columns: place
player
country
score
to_par

Question: Which Player has a To par of –2, and a Country of wales?
SQL: SELECT "player" FROM open_1991_results WHERE "to_par" = '–2' AND "country" = 'wales'

Question: Which Score has a To par of –3, and a Player of santiago luna?
SQL: SELECT "score" FROM open_1991_results WHERE "to_par" = '–3' AND "player" = 'santiago luna'

Question: Which Player has a Score of 67 in united states?
SQL: SELECT "player" FROM open_1991_results WHERE "score" = 67 AND "country" = 'united states'