question: When was the Punjabi singer featured in "Lak Mera Kach Warga" born? 
answer: 21 July 1960
context: Title: Ranjit Kaur
  Passage: Ranjit Kaur (Punjabi: ਰਣਜੀਤ ਕੌਰ ; also spelled as Ranjeet Kaur) is a noted Punjabi singer of Indian Punjab.  She is known for her duets with Muhammad Sadiq, a noted Punjabi singer and politician.  She did many Punjabi films as a playback singer and some as a side-actress.
  Title: Amar Noorie
  Passage: Amar Noorie (Punjabi: ਅਮਰ ਨੂਰੀ ), also spelled as Amar Noori, is a Punjabi singer as well as actress from Punjab, India.  She is married to Sardool Sikander, a noted Punjabi singer.  They have two sons Sarang Sikander and Alaap Sikander who are singers/musicians and are introducing their debut work in the music industry in the near future .
  Title: Anmol Gagan Maan
  Passage: Anmol Gagan Maan (Gagandeep Kaur Maan) is a Punjabi Singer known for her Punjabi Folk, Bhangra songs.She has done her graduation from M.C.M. D.A.V. College Chandigarh, with Music & Psychology as major.  In 2004 she has won a World Folk Dance(Jhumar, Bhangra, Giddha) Competition in England and Russia.  In year 2013, she was crowned as Miss Mohali Punjaban at Miss World Punjaban.  She has over half a million fan on her Facebook fan page.  She was even nominated for her debut song Sohni in 2014.  Punjabi Music Best Debut vocalist (Female) Award, Punjabi Music Best folk oriented Vocalist Award for Sohni in 2014, Shoukeen Jatt in 2015 and Punjabi Music Best pop Vocalist (Female) Award for Kala Sher in 2016, Anmol Gagan Maan and her father launched a band with label named punjabo on April 14 2017 along with 11 female members of band
  Title: Amar Singh Chamkila
  Passage: Amar Singh(21 July 1960 – 8 March 1988), commonly known by his stage name Amar Singh Chamkila, was a popular Punjabi singer, songwriter, musician, and composer.  Chamkila and his wife and singing partner Amarjot were killed, along with two members of their band on 8 March 1988 allegedly by a gang of unknown youths.
  Title: Lak Mera Kach Warga
  Passage: Lak Mera Kach Varga (Punjabi: ਲੱਕ੍ ਮੇਰਾ ਕੱਚ੍ ਵਰ੍ਗਾ ) is a Punjabi music album.  The album features Amar Singh Chamkila and Amarjot as the lead singers.
citations: Lak Mera Kach Warga Amar Singh Chamkila