Table: pga_1998
Columns: place
player
country
score
to_par

Question: What is Place, when Score is "70-68=138", and when Player is "Andrew Magee"?
SQL: SELECT "place" FROM pga_1998 WHERE "score" = '70-68=138' AND "player" = 'andrew magee'

Question: What is To par, when Place is "T5", and when Score is "70-68=138"?
SQL: SELECT "to_par" FROM pga_1998 WHERE "place" = 't5' AND "score" = '70-68=138'

Question: What is Score, when Place is "T5", when Country is "United States", and when Player is "Davis Love III"?
SQL: SELECT "score" FROM pga_1998 WHERE "place" = 't5' AND "country" = 'united states' AND "player" = 'davis love iii'

Question: What is Player, when Country is "United States", when Place is "T10", and when Score is "68-71=139"?
SQL: SELECT "player" FROM pga_1998 WHERE "country" = 'united states' AND "place" = 't10' AND "score" = '68-71=139'

Question: What is Score, when Player is "Vijay Singh"?
SQL: SELECT "score" FROM pga_1998 WHERE "player" = 'vijay singh'