CREATE TABLE table_43445 ("Date" TEXT, "Tournament" TEXT, "Surface" TEXT, "Opponent in the final" TEXT, "Score" TEXT)

When has a Surface of hard, a Tournament of wrexham , great britain?
SELECT "Date" FROM table_43445 WHERE "Surface" = 'hard' AND "Tournament" = 'wrexham , great britain'
SELECT "Date" FROM "table_43445" WHERE "Surface" = 'hard' AND "Tournament" = 'wrexham , great britain'