remove label in gr.Button (submit)

app.py

@@ -157,7 +157,7 @@ with gr.Blocks() as demo:
         question = gr.Textbox(label="Question")
         document = gr.Textbox(label="Document")
         answer = gr.Textbox(label="Answer")
-        submit_button = gr.Button(label="Submit")
+        submit_button = gr.Button("Submit")
     with gr.Column(scale=1):
         reasoning = gr.Textbox(label="Reasoning")
         score = gr.Textbox(label="Score")