Table: charterhouse_houses
Columns: house
abbr
type
colour
boarding_day

Question: What is the Boarding/Day value for a type of old and house of Saunderites?
SQL: SELECT "boarding_day" FROM charterhouse_houses WHERE "type" = 'old' AND "house" = 'saunderites'

Question: Which house has an abbreviation of G?
SQL: SELECT "house" FROM charterhouse_houses WHERE "abbr" = 'g'

Question: Which house has a Boarding/Day value of Day?
SQL: SELECT "house" FROM charterhouse_houses WHERE "boarding_day" = 'day'

Question: Which house has an abbreviation of D?
SQL: SELECT "house" FROM charterhouse_houses WHERE "abbr" = 'd'

Question: Which type has an abbreviation of B and Boarding/Day value of Boarding?
SQL: SELECT "type" FROM charterhouse_houses WHERE "boarding_day" = 'boarding' AND "abbr" = 'b'

Question: Which type has a color of Dark Blue?
SQL: SELECT "type" FROM charterhouse_houses WHERE "colour" = 'dark blue'