CREATE TABLE table_21759 ("Year" FLOAT, "Network" TEXT, "Play-by-play" TEXT, "Color commentator" TEXT, "Sideline reporters" TEXT, "Pregame host" TEXT, "Pregame analysts" TEXT)

What color commentator(s) were in 2010?
SELECT "Color commentator" FROM table_21759 WHERE "Year" = '2010'
SELECT "Color commentator" FROM "table_21759" WHERE "Year" = '2010'