CREATE TABLE table_72803 ("Poll Source" TEXT, "Dates administered" TEXT, "Democrat: John Kerry" TEXT, "Republican: Jeff Beatty" TEXT, "Lead Margin" FLOAT)

what is hte date where republican jeaff beatty is 34%?
SELECT "Dates administered" FROM table_72803 WHERE "Republican: Jeff Beatty" = '34%'
SELECT "Dates administered" FROM "table_72803" WHERE "Republican: Jeff Beatty" = '34%'