CREATE TABLE table_203_860 (id DECIMAL, "rank" DECIMAL, "city" TEXT, "population  ( 2011 ) " DECIMAL, "population  ( 2001 ) " DECIMAL, "state/territory" TEXT)

thanjavur has a population in 2001 of only how many ?
SELECT "population (2001)" FROM table_203_860 WHERE "city" = 'thanjavur'
SELECT "population (2001)" FROM "table_203_860" WHERE "city" = 'thanjavur'