What is the first and last name of the student participating in the most activities?
return students ;return activities of #1 ;return number of #2 for each #1 ;return #1 where #3 is  highest ;return first name of #4 ;return last name of #4 ;return #5 , #6
['select', 'project', 'group', 'superlative', 'project', 'project', 'union']