Question: Eric Schultz is a senior advisor to former President Barack Obama and is the founder of Schultz Group, after White House Deputy Press Secretary Josh Earnest replaced Jay Carney to become White House Press Secretary, Joshua Ryan Henry Earnest, is an American political aide who served as White House press secretary under President Barack Obama, from which time span?
{'answer': '2014 to 2017', 'supporting_facts': [['Eric Schultz', 3], ['Josh Earnest', 0]]}