Table: pga_championship_stats_2
Columns: player
country
year_s_won
total
to_par

Question: Name the Total of jeff sluman?
SQL: SELECT AVG("total") FROM pga_championship_stats_2 WHERE "player" = 'jeff sluman'

Question: Name the Total of australia and a To par smaller than 7?
SQL: SELECT MIN("total") FROM pga_championship_stats_2 WHERE "country" = 'australia' AND "to_par" < 7

Question: Name the To par that has a Year(s) won of 1988 and a Total smaller than 148?
SQL: SELECT MAX("to_par") FROM pga_championship_stats_2 WHERE "year_s_won" = '1988' AND "total" < 148