CREATE TABLE table_31977 ("Candidate" CLOB, "Party" CLOB, "Constituency" CLOB, "Year" CLOB, "Days" CLOB)

What are the number of days in 1945 where the constituent was heywood and radcliffe?
SELECT "Days" FROM table_31977 WHERE "Year" = '1945' AND "Constituency" = 'heywood and radcliffe'
SELECT "Days" FROM "table_31977" WHERE "Constituency" = 'heywood and radcliffe' AND "Year" = '1945'