{
    "chapter": 11,
    "verse": 13,
    "text": "and so they assert, \"[Muhammad himself] has invented this [Qur'an)!\" Say [unto them]: \"Produce, then, ten surahs of similar merit, invented [by yourselves], and [to this end] call to your aid whomever you can, other than, God, if what you say is true"
}