Table: us_open_1988
Columns: place
player
country
score
to_par

Question: What is the Country, when Place is "T4", and when Player is "Scott Simpson"?
SQL: SELECT "country" FROM us_open_1988 WHERE "place" = 't4' AND "player" = 'scott simpson'

Question: What is To Par, when Score is 70, and when Player is "Craig Stadler"?
SQL: SELECT "to_par" FROM us_open_1988 WHERE "score" = 70 AND "player" = 'craig stadler'

Question: What is Player, when Score is less than 69, and when Country is "United States"?
SQL: SELECT "player" FROM us_open_1988 WHERE "score" < 69 AND "country" = 'united states'