Table: t_1980_open_championship
Columns: player
country
year_s_won
total
to_par
finish

Question: What is Bob Charles' To par?
SQL: SELECT "to_par" FROM t_1980_open_championship WHERE "player" = 'bob charles'

Question: What is the Total for the Player with a To par of +11?
SQL: SELECT MAX("total") FROM t_1980_open_championship WHERE "to_par" = '+11'

Question: What is the Total of the Player with a To par of –13?
SQL: SELECT SUM("total") FROM t_1980_open_championship WHERE "to_par" = '–13'