What is the term limit for Senator Tom Niehaus? 
CREATE TABLE table_26129220_2 (term_limited INTEGER, senator VARCHAR)
SELECT MIN(term_limited) FROM table_26129220_2 WHERE senator = "Tom Niehaus"
### Context: CREATE TABLE table_26129220_2 (term_limited INTEGER, senator VARCHAR) ### Question: What is the term limit for Senator Tom Niehaus?  ### Answer: SELECT MIN(term_limited) FROM table_26129220_2 WHERE senator = "Tom Niehaus"