CREATE TABLE table_1714 ("Source" TEXT, "Dates administered" TEXT, "Democrat: Christine Gregoire" TEXT, "Republican: Dino Rossi" TEXT, "Lead Margin" TEXT)

How many polls show a result where democrat Christine Gregoire was polling at 50% and had a lead margin of 2?
SELECT COUNT("Source") FROM table_1714 WHERE "Democrat: Christine Gregoire" = '50%' AND "Lead Margin" = '2'
SELECT COUNT("Source") FROM "table_1714" WHERE "Democrat: Christine Gregoire" = '50%' AND "Lead Margin" = '2'