Table:
text: 1976 NFL Draft
Player selections
Round one
Pick_ NFL_Team Player Position_ College_
183 Tampa Bay Buccaneers Parnell Dickinson Quarterback Mississippi Valley State
184 Seattle Seahawks Dick Dixon Defensive tackle Arkansas State
185 Miami Dolphins Joe Ingersoll Guard UNLV
186 Dallas Cowboys Greg Schaum Defensive Tackle Michigan State
187 Cincinnati Bengals Bob Bateman Quarterback Brown
188 New York Jets Abdul Salaam Defensive end Kent State
189 Cleveland Browns Steve Cassidy Defensive tackle Louisiana State
190 Chicago Bears Jerry Muckensturm Linebacker Arkansas State
191 Philadelphia Eagles Carl Hairston Defensive end Maryland-Eastern Shore
192 Cincinnati Bengals Carmen Rome Defensive back Miami (OH)
193 Atlanta Falcons Karl Farmer Wide receiver Pittsburgh

text: 1976 NFL Draft
Player selections
Round one
Pick_ NFL_Team Player Position_ College_
206 Minnesota Vikings Larry Brune Defensive back Rice
207 Los Angeles Rams Larry Buie Defensive back Mississippi State
208 Dallas Cowboys David Williams Running back Colorado
209 Pittsburgh Steelers Barry Burton Tight end Vanderbilt

text: 1976 NFL Draft
Player selections
Round one
Pick_ NFL_Team Player Position_ College_
194 San Francisco 49ers Jay Chesley Defensive back Vanderbilt
195 Buffalo Bills Jackie Williams Defensive back Texas A&M
196 Kansas City Chiefs Rod Wellington Running back Iowa
197 Houston Oilers Larry Harris Defensive tackle Oklahoma State
198 Detroit Lions Garth Ten Napel Linebacker Texas A&M
199 New York Jets James Richards Running back Florida
200 Miami Dolphins John Owens Defensive end Tennessee State
201 New Orleans Saints Ed Bauer Guard Notre Dame
202 New England Patriots Perry Brooks Defensive tackle Southern
203 St. Louis Cardinals Phil Rogers Running back Virginia Tech
204 Oakland Raiders Clarence Chapman Wide Receiver Eastern Michigan
205 Cincinnati Bengals Ken Kuhn Linebacker Ohio State

Question: How many defensive backs are there in the 1976 NFL Draft?

Question: What was the average number of defensive backs selected in the seventh round of the 1976 NFL Draft?