Table:
text: 1973 NCAA Men's Division I Basketball Tournament
Teams
Teams
Region Seed Team Coach Finished Final_Opponent Score_
Mideast n/a Jacksonville Tom Wasdin First round Austin Peay L 77-75
Mideast n/a Kentucky Joe B. Hall Regional Runner-up Indiana L 72-65
Mideast n/a Marquette Al McGuire Regional Third Place Austin Peay W 88-73
Mideast n/a Miami, Ohio Darrell Hedric First round Marquette L 77-62
Midwest      
Midwest n/a Houston Guy Lewis First round Southwestern Louisiana L 102-89
Midwest n/a Kansas State Jack Hartman Regional Runner-up Memphis State L 92-72
Midwest n/a Southwestern Louisiana (Vacated) Beryl Shipley Regional Fourth Place South Carolina L 90-85
Midwest n/a Memphis State Gene Bartow Runner Up UCLA L 87-66
Midwest n/a South Carolina Frank McGuire Regional Third Place Southwestern Louisiana W 90-85

text: 1973 NCAA Men's Division I Basketball Tournament
Teams
Teams
Region Seed Team Coach Finished Final_Opponent Score_
Midwest n/a Texas Tech Gerald Myers First round South Carolina L 78-70
West      
West n/a Arizona State Ned Wulk Regional Fourth Place Long Beach State L 84-80
West n/a Long Beach State Jerry Tarkanian Regional Third Place Arizona State W 84-80
West n/a Oklahoma City Abe Lemons First round Arizona State L 103-78
West n/a San Francisco Bob Gaillard Regional Runner-up UCLA L 54-39
West n/a UCLA John Wooden Champion Memphis State W 87-66
West n/a Weber State Gene Visscher First round Long Beach State L 88-75

text: 1973 NCAA Men's Division I Basketball Tournament
Teams
Teams
Region Seed Team Coach Finished Final_Opponent Score_
East      
East n/a Furman Joe Williams First round Syracuse L 83-82
East n/a Maryland Lefty Driesell Regional Runner-up Providence L 103-89
East n/a Penn Chuck Daly Regional Fourth Place Syracuse L 69-68
East n/a Providence Dave Gavitt Fourth Place Indiana L 97-79
East n/a St. John`s Frank Mulzoff First round Penn L 62-61
East n/a Saint Joseph`s Jack McKinney First round Providence L 89-76
East n/a Syracuse Roy Danforth Regional Third Place Penn W 69-68
Mideast      
Mideast n/a Austin Peay Lake Kelly Regional Fourth Place Marquette L 88-73
Mideast n/a Indiana Bob Knight Third Place Providence W 97-79

Question: Which of the four regions finished the first round of the 1973 NCAA Men's Division I basketball tournament the most?