CREATE TABLE table_61859 ("Opposing Teams" TEXT, "Against" FLOAT, "Date" TEXT, "Venue" TEXT, "Status" TEXT)

WHICH Date has a Venue of lancaster park , christchurch?
SELECT "Date" FROM table_61859 WHERE "Venue" = 'lancaster park , christchurch'
SELECT "Date" FROM "table_61859" WHERE "Venue" = 'lancaster park , christchurch'