CREATE TABLE table_203_729 (id DECIMAL, "township" TEXT, "fips" DECIMAL, "population\ center" TEXT, "population" DECIMAL, "population\ density\ /km2  ( /sq mi ) " TEXT, "land area\ km2  ( sq mi ) " TEXT, "water area\ km2  ( sq mi ) " TEXT, "water %" TEXT, "geographic coordinates" TEXT)

how many townships have at least a 0.50 water percentage ?
SELECT COUNT("township") FROM table_203_729 WHERE "water %" >= 0.50
SELECT COUNT("township") FROM "table_203_729" WHERE "water %" >= 0.50