question: what was the number of apps made by keith ball for port vale?
table.cells: club season division league fa cup other total
table.cells: apps goals apps goals apps goals apps goals
table.cells: walsall 1958-59 second division 3 0 0 0 0 0 3 0
table.cells: 1959-60 fourth division 3 0 0 0 0 0 3 0
table.cells: 1960-61 third division 0 0 0 0 0 0 0 0
table.cells: 1961-62 second division 5 0 0 0 1 0 6 0
table.cells: total 11 0 0 0 1 0 12 0
table.cells: walsall 1966-67 third division 15 0 0 0 0 0 15 0
table.cells: 1967-68 third division 19 0 0 0 2 0 21 0
table.cells: total 34 0 0 0 2 0 36 0
table.cells: port vale 1968-69 fourth division 25 0 3 0 0 0 28 0
table.cells: 1969-70 fourth division 46 0 5 0 1 0 52 0
table.cells: 1970-71 third division 28 0 1 0 1 0 30 0
table.cells: 1971-72 third division 31 0 3 0 1 0 35 0
table.cells: total 130 0 12 0 3 0 145 0
table.cells: walsall 1980-81 third division 2 0 0 0 0 0 2 0