Table: open_champ_1983
Columns: place
player
country
score
to_par

Question: What player placed t10?
SQL: SELECT "player" FROM open_champ_1983 WHERE "place" = 't10'

Question: What was Bernhard Langer's highest score?
SQL: SELECT MAX("score") FROM open_champ_1983 WHERE "player" = 'bernhard langer'

Question: What was Craig Stadler's lowest score for United states?
SQL: SELECT MIN("score") FROM open_champ_1983 WHERE "country" = 'united states' AND "player" = 'craig stadler'