CREATE TABLE table_203_90 (id DECIMAL, "religious\ group" TEXT, "population\ %" TEXT, "growth\ ( 1991-2001 ) " TEXT, "sex ratio\ ( total ) " DECIMAL, "literacy\ ( % ) " TEXT, "work participation\ ( % ) " TEXT, "sex ratio\ ( rural ) " DECIMAL, "sex ratio\ ( urban ) " DECIMAL, "sex ratio\ ( child ) " DECIMAL)

what has the least percentage in india ?
SELECT "religious\ngroup" FROM table_203_90 ORDER BY "population\n%" LIMIT 1
SELECT "religious\ngroup" FROM "table_203_90" ORDER BY "population\n%" NULLS FIRST LIMIT 1