select distinct substring(name,1,1) from stamps ,color_master,np_master where year(stamps.issue_date)=1952 and color_master.color_code=stamps.color_code and color_master.color='Olive Green' and np_master.np_code=stamps.np_code and np_master.np='P' order by substring(name,1,1)
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Issue Date >> function.mysql-connect >> function.mysql-connect >> Color >> Olive Green >> Currency >> P >> Alpha >> K >>