<prompt> Translate the following text to EnglishKatika uwanja wa msikiti huo kuna nguzo ya chuma yenye urefu wa mita 7 kutoka karne ya nne, iliyoletwa hapa na waanzilishi wa Dillika wa Rajput, lakini hakuna anayejua ni wapi.  <response>: In the mosques courtyard, there is a 7-m 22-ft Iron Pillar, from the fourth century, brought here by the Rajput founders of Dhillika, but nobody knows from where. 