CREATE TABLE table_202_157 (id NUMBER, "affiliation" CLOB, "house members\ 2000 election\ results" NUMBER, "house members\ at dissolution" NUMBER, "senate members\ on election\ day 2000" NUMBER, "senate members\ at dissolution" NUMBER)

after the dissolution of the 37th parliament of canada how many more house members did the new democratic party have ?
SELECT (SELECT "house members\nat dissolution" FROM table_202_157 WHERE "affiliation" = 'new democratic party') - (SELECT "house members\n2000 election\nresults" FROM table_202_157 WHERE "affiliation" = 'new democratic party')
SELECT (SELECT "house members\nat dissolution" FROM "table_202_157" WHERE "affiliation" = 'new democratic party') - (SELECT "house members\n2000 election\nresults" FROM "table_202_157" WHERE "affiliation" = 'new democratic party')