Which of the following groups of districts witnessed lowest female literacy rate as per 2011 census?
1. Jaisalmer, Sirohi, Jalore, Chittorgarh
2. Jaisalmer, Sirohi, Banswara, Jalore
3. Jaisalmer, Sirohi, Jalore, Barmer
4. Jaisalmer, Sirohi, Barmer, Sawai-Madhopur