CREATE TABLE table_54129 ("Date of Issue" TEXT, "Denomination" TEXT, "Design" TEXT, "Paper Type" TEXT, "First Day Cover Cancellation" TEXT)

Which Paper Type has a Denomination of $0.50 and Date of Issue 4 February 2005?
SELECT "Paper Type" FROM table_54129 WHERE "Denomination" = '$0.50' AND "Date of Issue" = '4 february 2005'
SELECT "Paper Type" FROM "table_54129" WHERE "Date of Issue" = '4 february 2005' AND "Denomination" = '$0.50'