Question: Who was the head coach of the first pro team on which the captain of the MLS club Colorado Rapids played?

Context paragraphs:
Shkëlzen Gashi: Shkëlzen Taib Gashi (born 15 July 1988) is an Albanian professional footballer who plays as a midfielder and forward for Major League Soccer club Colorado Rapids and the Albania national team.

Ian Joyce: Ian Francis Joyce (born July 12, 1985) is an American soccer player who most recently played for Major League Soccer club Colorado Rapids.

North Jersey Imperials: The North Jersey Imperials were a soccer club based in Paramus, New Jersey.  They played in the United Soccer Leagues between 1994 and 2001.  The Imperials were the first pro team of US national team goalkeeper Tim Howard.  Sean Kenny was the Head Coach.

1999 Lamar Hunt U.S. Open Cup: The 1999 Lamar Hunt U.S. Open Cup ran from June to October 1999, open to all soccer teams in the United States.  It was the first Open Cup tournament to be named after Lamar Hunt.  The Rochester Raging Rhinos of the A-League defeated the Colorado Rapids 2–0 in the final at Columbus Crew Stadium in Columbus, Ohio.  The Rhinos became the only non-division one team to win the Open Cup title since the inception of Major League Soccer by defeating four MLS teams in the tournament.  Another A-League team - the Charleston Battery - also reached the semifinals, and the A-League's Staten Island Vipers were the other non-division one squad to beat an MLS team.

2007 Colorado Rapids season: The 2007 Colorado Rapids season is the twelfth season of the Colorado club franchise.  The team enters the season having been eliminated from the 2006 MLS Playoffs in the Conference Finals.  The Rapids, however, enter as the defending champions of the MLS Reserve Division.

MLS Cup 2010: MLS Cup 2010, the 15th edition of Major League Soccer's championship match, was played between the Colorado Rapids and FC Dallas to decide the champion of the 2010 season.  The championship was played at BMO Field in Toronto, Ontario, Canada on November 21, 2010.  Colorado Rapids won 2–1 over Dallas on an own goal in extra time, as a shot by Rapids forward Macoumba Kandji was deflected on goal by Dallas defender George John.  Played in Toronto, it marked the first time the league championship was played outside the United States.  It was the fourth MLS Cup to match two teams from the same conference against each other, and the third to feature only Western Conference teams.

2010 San Jose Earthquakes season: The 2010 San Jose Earthquakes season was the club's thirteenth season of existence.  The Earthquakes finished 8th overall in MLS and finished in the Eastern Conference finals of the MLS Cup playoffs before losing to the Colorado Rapids.  It was the first season the club made the playoffs since 2005.

2010 Major League Soccer season: The 2010 Major League Soccer season was the 98th season of FIFA-sanctioned soccer, the 32nd with a national first-division league, in the United States and Canada, and the 15th in MLS history.  It began on March 25 at Seattle's Qwest Field with Seattle Sounders FC defeating the expansion Philadelphia Union, 2–0.  The 2010 MLS All-Star Game was played at Reliant Stadium, hosted by the Houston Dynamo on July 28 as the MLS XI fell 5–2 to visiting Manchester United.  The regular season concluded on October 24, with Los Angeles Galaxy winning the Supporters' Shield by one point over Real Salt Lake.  Upon the completion of the regular season the 2010 MLS Cup Playoffs culminated on November 21 with a 2–1 victory by the Colorado Rapids over FC Dallas at Toronto's BMO Field.  It was the first time the MLS Cup final was played outside the United States.

Ray Callahan: Kenneth Ray Callahan (April 28, 1933 – September 2, 2017) was an American football player and coach.  He was recruited by Coach Paul Bear Bryant at the University of Kentucky in 1952 under a full scholarship.  Coach Bryant mentored him often taking him fishing and along on other recruiting trips to convince players to come to U.K. to play.  He later coached for his alma mater as an assistant coach from 1963 to 1966.  He then moved to University of Cincinnati as an assistant coach for 2 years before becoming the head football coach from 1969 to 1972, compiling a record of 20–23.  His first pro team was in 1973 with the Baltimore Colts as a linebacker coach under former teammate Howard Schnellenberger.  Callahan then took a chance with the World Football League Florida Blazers with Jack Pardee.  The Blazers made it to the World Bowl losing to the Birmingham Americans by 1 point but with controversy in the officiating.  Coach Callahan then bolted back to the NFL with the Chicago Bears as the offensive line coach in front of Walter Peyton for his first 3 years as a player.  The Washington Redskins was his next stop for 3 years of offensive line coach again with Jack Pardee at the helm.  Callahan then headed south to Texas with the Houston Oilers as the defensive line coach for 2 years.  Joe Walton then called upon Ray Callahan to lead up the defensive line "sack exchange" consisting of Barry Bennett, Marty Lyons, Joe Klecko, Mark Gastineau, of the New York Jets for the next 7 years.  Callahan retired to Bracey, Va on Lake Gaston and enjoyed lake life with his high school sweetheart wife Essie "Lee" Dorsey.  Callahan died on September 2, 2017.

Tim Howard: Timothy Matthew Howard (born March 6, 1979) is an American soccer player who captains the MLS club Colorado Rapids and plays for the United States national team as a goalkeeper.

Supporting paragraphs: North Jersey Imperials Tim Howard
Answer: Sean Kenny