CREATE TABLE table_51738 ("Rank" FLOAT, "Constituency" TEXT, "Winning party 2003" TEXT, "Swing to gain" FLOAT, "Labour's place 2003" TEXT, "Result" TEXT)

Can you tell me Labour's place 2003 that has the Result of con hold, and the Constituency of ayr?
SELECT "Labour's place 2003" FROM table_51738 WHERE "Result" = 'con hold' AND "Constituency" = 'ayr'
SELECT "Labour's place 2003" FROM "table_51738" WHERE "Constituency" = 'ayr' AND "Result" = 'con hold'