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_20 (rna_segment__gene_ INTEGER, protein VARCHAR, size___s_base_pair__ VARCHAR)

### Question ###
What is the highest RNA segment having a protein of vp2 and a base pair size over 2690?

### Accurate SQL ###

SELECT MAX(rna_segment__gene_) FROM table_name_20 WHERE protein = "vp2" AND size___s_base_pair__ > 2690