Table: nz_2nd_parliament
Columns: member
electorate
province
mps_term
election_date

Question: Which province is grey and bell electorate in
SQL: SELECT "province" FROM nz_2nd_parliament WHERE "electorate" = 'Grey and Bell'

Question: Which province is bay of islands in
SQL: SELECT "province" FROM nz_2nd_parliament WHERE "electorate" = 'Bay of Islands'