human
Considering the provided database schema and associated query, produce SQL code to retrieve the answer to the query. 
###Database Schema: Episode, Date, Official ITV1 rating (millions), Weekly rank, Share (%), Official ITV1 HD rating (millions), Total ITV1 viewers (millions)
###Question: What was the share (%) for the Semi-Final 2 episode? 
gpt
SELECT Share (%) FROM table WHERE Episode = Semi-final 2