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

which party had the highest number of house members in 2000 ?
SELECT "affiliation" FROM table_202_157 ORDER BY "house members\n2000 election\nresults" DESC LIMIT 1
SELECT "affiliation" FROM "table_202_157" ORDER BY "house members\n2000 election\nresults" DESC NULLS LAST LIMIT 1