Table:
text: 1927–28 Waratahs tour of the British Isles, France and Canada
Squad
Squad
Name_ Tests Club Career_caps Tour_Apps Position_
S.J. Malcolm 3 Cook`s Hill Surf Club, Newcastle YMCA, Manly 18 11 Half-Back
F.W. Meagher 2 Randwick 8 12 Half-Back
T. Lawton 5 Sydney University , Western Suburbs 14 27 Half-Back
J.G. Blackwood 5 Eastern Suburbs 21 23 Forward
G.V. Bland 0 Manly 9 4 Forward
M.R. Blair 1 Western Suburbs 3 7 Forward
J.W.P. Breckenridge 5 Glebe-Balmain 11 26 Forward
A.N. Finlay 5 Sydney University 12 24 Forward
J.A. Ford 4 Glebe-Balmain 11 25 Forward
C.L. Fox (v.c) 1 Northern Suburbs 17 12 Forward
E.N. Greatorex 2 Newcastle YMCA 8 14 Forward
P.B. Judd 4 Western Suburbs 11 24 Forward
G.P. Storey 5 Western Suburbs 8 20 Forward

text: 1927–28 Waratahs tour of the British Isles, France and Canada
Squad
Squad
Name_ Tests Club Career_caps Tour_Apps Position_
A.N. Tancred 3 Glebe-Balmain 3 16 Forward
J.L. Tancred 2 Glebe-Balmain 2 16 Forward
K. Tarleton 0 Newcastle YMCA 2 9 Forward
E.J. Thorn 0 Manly 15 13 Forward
H.F. Woods 4 Newcastle YMCA 8 19 Forward

text: 1927–28 Waratahs tour of the British Isles, France and Canada
Squad
Squad
Name_ Tests Club Career_caps Tour_Apps Position_
A.W. Ross 5 Sydney University 20 29 Full Back
A.J.A. Bowers 1 Eastern Suburbs , Randwick 7 9 Three-Quarter
J.B. Egan 0 Eastern Suburbs 0 7 Three-Quarter
E.E. Ford 5 Glebe-Balmain 7 21 Three-Quarter
G.C.Gordon 0 Western Suburbs , Newcastle YMCA 1 8 Three-Quarter
S.C. King 4 Western Suburbs 14 19 Three-Quarter
W.H. Mann 0 Sydney University 0 7 Three-Quarter
W.B.J.Sheehan 2 Sydney University 18 12 Three-Quarter
C.H.T. Towers 3 Randwick 19 29 Three-Quarter
A.C. Wallace (c) 5 Sydney University 8 22 Three-Quarter
J.L. Duncan 0 Randwick 1 8 Half-Back

Question: Under Waratah's 1927–28 tour of the British Isles, France and Canada, what are the career caps for half-backs if Tests are more than 3?

Question: What is the name of tour apps greater than 7, tests greater than 4 and a career cap of 20 for the 1927–28 Waratahs tour of the British Isles, France and Canada?