CREATE TABLE table_53452 ("Rank" FLOAT, "Constituency" TEXT, "Winning party 2003" TEXT, "Swing to gain" FLOAT, "SNP's place 2003" TEXT, "Result" TEXT)

Which constituency had the conservative party win in 2003?
SELECT "Constituency" FROM table_53452 WHERE "Winning party 2003" = 'conservative'
SELECT "Constituency" FROM "table_53452" WHERE "Winning party 2003" = 'conservative'