Table:
text: 1981 U.S. Open (golf)
Second round
Second round
Place Player Country Score To_par
1 George Burns United States 69-66=135 –5
2 David Graham Australia 68-68=136 –4
T3 Jack Nicklaus United States 69-68=137 –3
T3 Tommy Valentine United States 69-68=137 –3
T5 John Cook United States 68-70=138 –2
T5 Billy Kratzert United States 69-69=138 –2
T5 Greg Norman Australia 71-67=138 –2
T5 Bill Rogers United States 70-68=138 –2
T9 Jerry Pate United States 70-69=139 –1
T9 Jack Renner United States 68-71=139 –1
T9 John Schroeder United States 71-68=139 –1
T9 Scott Simpson United States 72-67=139 –1
T9 Jim Thorpe United States 66-73=139 –1
T9 Lanny Wadkins United States 71-68=139 –1
T9 Tom Watson United States 70-69=139 –1

Question: Who is the US Open 1981 (Golf) player with a score of 68-71=139 Second Round?

Question: What is the performance of player Jerry Pate who has a score of 70-69=139 in the second round of the 1981 US Open (Golf)?

Question: What is the average among players with a t9 place and a score of 72-67 = 139 for the 1981 US Open (Golf) in the second round?

Question: What is the rank of the player with a score of 69-69=138 in the second round of the 1981 US Open (Golf)?