who are the house of representatives in colorado?
["Colorado's 1st district: Diana DeGette (D) (since 1997)", "Colorado's 2nd district: Joe Neguse (D) (since 2019)", "Colorado's 3rd district: Scott Tipton (R) (since 2011)", "Colorado's 4th district: Ken Buck (R) (since 2015)", "Colorado's 5th district: Doug Lamborn (R) (since 2007)"]