pos	ref	alt	in_target	n_oysters_with_alt	alt_freq_Pum	alt_freq_Qui	alt_freq_Rio	pop_differentiated	cpg_destroying	Pum1	Qui1	Qui2	Qui3	Qui4	Rio1	Rio2	Rio3	Rio4
57931203	G	T	False	2	0.0	0.0	0.091	False	False	0.00/5	0.00/4	0.00/3	0.00/4	0.00/7	0.00/7	0.25/4	0.25/4	0.00/7
57931218	G	T	False	1	0.0	0.056	0.0	False	False	0.00/5	0.25/4	0.00/3	0.00/4	0.00/7	0.00/7	0.00/3	0.00/3	0.00/7
57931255	C	G	False	2	0.25	0.067	0.045	False	False	0.25/4	0.25/4	0.00/4	0.00/3	0.00/4	0.14/7	0.00/5	0.00/6	0.00/4