CREATE TABLE table_70598 ("Poll source" TEXT, "Date ( s )  administered" TEXT, "Tom Campbell*" TEXT, "Meg Whitman" TEXT, "Steve Poizner" TEXT, "Peter Foy*" TEXT)

When did Meg Whitman get 60%?
SELECT "Date(s) administered" FROM table_70598 WHERE "Meg Whitman" = '60%'
SELECT "Date(s) administered" FROM "table_70598" WHERE "Meg Whitman" = '60%'