Definition: In this task, you will use your knowledge about language (and common sense) to determine what element the marked number refers to. The numbers are marked with two underlines around them, like: _ number _. Your answer should be chosen from the given text, and should not contain other words.
Input: April Wheeler:  I hear you 're a mathematician .
John Givings: You hear wrong . Its all gone now .
April Wheeler: All gone ?
John Givings: You know what electrical shock treatments are ?
April Wheeler: Yes . Yes , I do .
John Givings: I had _ thirty _ - seven . It 's supposed to jolt out the emotional problems . It just jolted out the mathematics .

treatments