Table: golf_us_open_1981
Columns: player
country
year_s_won
total
to_par
finish

Question: What was the finishing position of Hale Irwin, of the United states?
SQL: SELECT "finish" FROM golf_us_open_1981 WHERE "country" = 'united states' AND "player" = 'hale irwin'

Question: Where did the player who won in 1965 finish?
SQL: SELECT "finish" FROM golf_us_open_1981 WHERE "year_s_won" = '1965'

Question: Where did Jerry Pate finish?
SQL: SELECT "finish" FROM golf_us_open_1981 WHERE "player" = 'jerry pate'

Question: What was the average total for the player from the United States, who won in 1978?
SQL: SELECT AVG("total") FROM golf_us_open_1981 WHERE "country" = 'united states' AND "year_s_won" = '1978'