normalize these database. Note: In eduction column, the info inside the cell you can ignore. Teacher ID TC_First_name TC_Last_name TC_Title 1 Yi 2 TING 3 Vannak 4 Gneannak 5 Thearom 6 Sotheara Liv Siteng Seng Da Ret Veng Dr Dr Mr Mr Dr Dr Subject_taught IE, ED, SE Chemistry Education Bacholor: 2005-2010, ITC International Industrial Business Engineering, 2010-2011, U Master of Science in Mechanics of Materials and Structures PhD, Doctoral Program of Technology. Impact and compres BC_Chemistry_RUPP 1999-2003, MS_chemistry_Uni Tun Bachelor: Information Technology at University of Phayao, 1 CB PDM LA, Cal1, Cal2, DM DOB 12-10-1939 12-11-1945 12-13-1951 12-14-1957 12-16-1963 12-17-1969