question: how many appearances did jackson make in the third division south for leyton orient in the 1950-51 season?
table.cells: club season division league fa cup other total
table.cells: apps goals apps goals apps goals apps goals
table.cells: leyton orient 1950-51 third division south 21 2 0 0 0 0 21 2
table.cells: 1951-52 third division south 17 0 0 0 0 0 17 0
table.cells: total 38 2 0 0 0 0 38 2
table.cells: liverpool 1951-52 first division 14 1 1 0 0 0 15 1
table.cells: 1952-53 first division 5 0 0 0 0 0 5 0
table.cells: 1953-54 first division 27 4 1 0 0 0 28 4
table.cells: 1954-55 second division 23 3 3 0 0 0 26 3
table.cells: 1955-56 second division 15 0 0 0 0 0 15 0
table.cells: 1956-57 second division 19 2 0 0 0 0 19 2
table.cells: 1957-58 second division 22 2 2 0 0 0 24 2
table.cells: total 125 12 7 0 0 0 132 12
table.cells: port vale 1958-59 fourth division 37 8 3 1 0 0 40 9
table.cells: 1959-60 third division 45 8 6 1 0 0 51 9
table.cells: 1960-61 third division 43 8 3 2 1 0 47 10
table.cells: 1961-62 third division 34 5 7 2 1 0 42 7
table.cells: total 159 29 17 5 2 0 178 34
table.cells: peterborough united 1962-63 third division 22 2 3 0 0 0 25 2
table.cells: 1963-64 third division 25 2 0 0 1 0 26 2
table.cells: total 47 4 3 0 1 0 51 4
table.cells: lincoln city 1964-65 fourth division 10 1 0 0 0 0 10 1
table.cells: career total 379 48 27 5 3 0 409 53