CREATE TABLE table_36818 ("LEMA/SUBLEMA" TEXT, "Candidates" TEXT, "Votes" FLOAT, "Ch. of Senators" TEXT, "Ch. of Deputies" TEXT)

Which Ch of Senators has a LEMA/SUBLEMA of lema?
SELECT "Ch. of Senators" FROM table_36818 WHERE "LEMA/SUBLEMA" = 'lema'
SELECT "Ch. of Senators" FROM "table_36818" WHERE "LEMA/SUBLEMA" = 'lema'