Table: us_open_1980
Columns: place
player
country
score
to_par

Question: What place in Lon Hinkle in?
SQL: SELECT "place" FROM us_open_1980 WHERE "player" = 'lon hinkle'

Question: What country does Mark Hayes play for?
SQL: SELECT "country" FROM us_open_1980 WHERE "player" = 'mark hayes'