Using the following list,
list = {{a, b, c, d}, {1, 2, 3, 4}, {5, 6, 7, 8}};
Is it possible to select the lists where the second value is >3. Desired Output below
{5, 6, 7, 8}
adjusting the following code that currently extract all the values >2 in a list
Select[#, # > 2 &] & /@ list[[2 ;;]
Sophisticated solutions for queries can be found here Conditional Data Manipulation in Mathematica
Alternatively, using
SelectOutput