CREATE TABLE table_8886 ("Episode" TEXT, "Air Date" TEXT, "Timeslot" TEXT, "Rating" FLOAT, "Share" FLOAT, "18-49" TEXT, "Viewers" TEXT, "Weekly Rank" TEXT)

What is the lowest Share, when Episode is 'Farmer Picks A Wife'?
SELECT MIN("Share") FROM table_8886 WHERE "Episode" = 'farmer picks a wife'
SELECT MIN("Share") FROM "table_8886" WHERE "Episode" = 'farmer picks a wife'