CREATE TABLE table_48425 ("Season" TEXT, "Skip" TEXT, "Third" TEXT, "Second" TEXT, "Lead" TEXT, "Alternate" TEXT, "Events" TEXT)

Which lead had a season of 2009-10?
SELECT "Lead" FROM table_48425 WHERE "Season" = '2009-10'
SELECT "Lead" FROM "table_48425" WHERE "Season" = '2009-10'