Table: t_1978_us_open_golf
Columns: player
country
year_s_won
total
to_par
finish

Question: What is the sum of To Par, when Country is "United States", and when Year(s) Won is "1973"?
SQL: SELECT SUM("to_par") FROM t_1978_us_open_golf WHERE "country" = 'united states' AND "year_s_won" = '1973'

Question: What is Player, when Total is greater than 288, and when Country is "South Africa"?
SQL: SELECT "player" FROM t_1978_us_open_golf WHERE "total" > 288 AND "country" = 'south africa'

Question: What is Year(s) Won, when To Par is greater than 13?
SQL: SELECT "year_s_won" FROM t_1978_us_open_golf WHERE "to_par" > 13