CREATE TABLE table_44559 ("Poll Source" CLOB, "Dates administered" CLOB, "Democrat: Carl Levin" CLOB, "Republican: Jack Hoogendyk" CLOB, "Lead Margin" FLOAT)

What is Democrat: Carl Levin, when Lead Margin is 22?
SELECT "Democrat: Carl Levin" FROM table_44559 WHERE "Lead Margin" = '22'
SELECT "Democrat: Carl Levin" FROM "table_44559" WHERE "Lead Margin" = '22'