how can i find Which language has been stated as the proficiency by most of the Programmers from the given table

Question

Anand 1966-04-12 1992-04-21 M Pascal Basic 3200 Altaf 1964-07-02 1990-11-13 M Clipper Cobol 2800 Juliana 1960-01-31 1990-04-21 F Cobol Dbase 3000 Ka