correct the text by inserting one comma.\narvind mahankali finished third in the 2011 and 2012 scripps…

correct the text by inserting one comma.\narvind mahankali finished third in the 2011 and 2012 scripps national spelling bee competitions and he finished first in 2013.
Answer
Brief Explanations:
The comma should be inserted to separate two related but distinct clauses about Arvind Mahankali's achievements.
Answer:
Arvind Mahankali finished third in the 2011 and 2012 Scripps National Spelling Bee competitions, and he finished first in 2013.