Table:
text: Washington Redskins draft history
1940s
1940 Draft
Round Pick Overall Name_ Position_ College
1 8 8 Ed Boell QB New York
3 8 23 Buddy Banker RB Tulane
5 8 38 Bill Kirchem OT Tulane
6 8 48 Joe Boyd OT Texas A&M
7 8 58 Roy Zimmerman QB San José State
8 8 68 Bud Orf E Missouri
9 8 78 Bob Hoffman RB Southern California
10 8 88 Bob Seymour RB Oklahoma
11 8 98 Howard Stoecker OT Southern California
12 8 108 Allen Johnson G Duke
13 8 118 Sam Bartholomew RB Tennessee
14 8 128 Ernie Lain RB Rice
15 8 138 Sandy Sanford E Alabama

text: Washington Redskins draft history
1940s
1940 Draft
Round Pick Overall Name_ Position_ College
16 8 148 Bolo Perdue E Duke
17 8 158 Steve Andrako C Ohio State
18 8 168 Jay Graybeal RB Oregon
19 8 178 Charley Slagle RB North Carolina
20 8 188 Buck Murphy RB Georgia Tech
21 3 193 Mel Wetzel OT Missouri
22 3 198 Steve Sitko QB Notre Dame

Question: What is the average round for the OT position from Tulane College with a total of 38+ for the 1940's Washington Redskins Draft History?