Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_name_34 ( touchdowns INTEGER, net_yards VARCHAR, attempts VARCHAR )

### Question ###
What are the highest touchdowns that have net yards greater than 631, with attempts less than 145?

### Accurate SQL ###

SELECT MAX(touchdowns) FROM table_name_34 WHERE net_yards > 631 AND attempts < 145